California's 12th congressional district
E143055
California's 12th congressional district is a U.S. House district centered in San Francisco, long known as a strongly Democratic, urban, and liberal stronghold.
All labels observed (1)
| Label | Occurrences |
|---|---|
| California's 12th congressional district canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T1243942 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: California's 12th congressional district Context triple: [Nancy Pelosi, represents, California's 12th congressional district]
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A.
California's 11th congressional district
California's 11th congressional district is a U.S. House district centered on San Francisco, known for its strongly Democratic lean and representation of one of the nation's most liberal urban constituencies.
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B.
California's 13th congressional district
California's 13th congressional district is a U.S. House of Representatives district in California’s Central Valley that includes parts of Madera County and surrounding agricultural communities.
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C.
California's 2nd congressional district
California's 2nd congressional district is a U.S. House district in Northern California that spans the Pacific Coast from the Golden Gate Bridge northward and includes Marin County and several other coastal and rural counties.
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D.
California's 5th congressional district
California's 5th congressional district is a U.S. House of Representatives district in California that encompasses parts of the state's Central Valley and surrounding areas, represented by an elected member of Congress.
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E.
California's 30th congressional district
California's 30th congressional district is a U.S. House district in the Los Angeles area that includes several San Fernando Valley and nearby neighborhoods and is known for its largely urban, strongly Democratic electorate.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: California's 12th congressional district Target entity description: California's 12th congressional district is a U.S. House district centered in San Francisco, long known as a strongly Democratic, urban, and liberal stronghold.
-
A.
California's 11th congressional district
California's 11th congressional district is a U.S. House district centered on San Francisco, known for its strongly Democratic lean and representation of one of the nation's most liberal urban constituencies.
-
B.
California's 13th congressional district
California's 13th congressional district is a U.S. House of Representatives district in California’s Central Valley that includes parts of Madera County and surrounding agricultural communities.
-
C.
California's 2nd congressional district
California's 2nd congressional district is a U.S. House district in Northern California that spans the Pacific Coast from the Golden Gate Bridge northward and includes Marin County and several other coastal and rural counties.
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D.
California's 5th congressional district
California's 5th congressional district is a U.S. House of Representatives district in California that encompasses parts of the state's Central Valley and surrounding areas, represented by an elected member of Congress.
-
E.
California's 30th congressional district
California's 30th congressional district is a U.S. House district in the Los Angeles area that includes several San Fernando Valley and nearby neighborhoods and is known for its largely urban, strongly Democratic electorate.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf | United States congressional district ⓘ |
| characteristic |
liberal stronghold
ⓘ
urban ⓘ |
| contains | most of the city of San Francisco in some apportionment periods ⓘ |
| CookPVI | D+20 or stronger in many cycles ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| createdFor | apportionment following the 1930 census ⓘ |
| demographicFeature |
high educational attainment
ⓘ
high proportion of renters ⓘ racial and ethnic diversity ⓘ |
| economicFeature |
concentration of technology and service industries
ⓘ
tourism ⓘ |
| elects | one member to the United States House of Representatives ⓘ |
| governingLaw |
California state law
ⓘ
United States Constitution ⓘ |
| hasHigh |
Democratic presidential vote share
ⓘ
Democratic voter registration ⓘ voter turnout in presidential elections ⓘ |
| hasMajorCity | San Francisco ⓘ |
| knownFor |
LGBTQ+ political activism
ⓘ
high cost of living ⓘ progressive politics ⓘ technology sector presence ⓘ |
| legislativeBody | United States House of Representatives ⓘ |
| locatedIn |
San Francisco
ⓘ
San Francisco County ⓘ |
| lowerHouseOf | United States Congress ⓘ |
| notableElectionPattern | consistently votes Democratic in federal elections ⓘ |
| partOf | California congressional delegation ⓘ |
| partyOfRepresentative | Democratic Party ⓘ |
| policyPriority |
LGBTQ+ rights
ⓘ
environmental protection ⓘ housing affordability ⓘ immigration reform ⓘ public transportation ⓘ |
| politicalLeaning | strongly Democratic ⓘ |
| previouslyCovered |
parts of San Francisco Peninsula in some apportionment periods
ⓘ
parts of San Mateo County in some apportionment periods ⓘ |
| previousRepresentative |
John L. Burton
ⓘ
Phillip Burton ⓘ Sala Burton ⓘ Tom Lantos ⓘ |
| redistrictingEvent |
2012 redistricting in California
ⓘ
2020 redistricting in California ⓘ |
| representedBy | Nancy Pelosi ⓘ |
| state |
California
ⓘ
linked to:
California, United States
|
| timeZone | Pacific Time Zone ⓘ |
| usesPrimarySystem | nonpartisan blanket primary (top-two primary) ⓘ |
| votingSystem | first-past-the-post ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: California's 12th congressional district Description of subject: California's 12th congressional district is a U.S. House district centered in San Francisco, long known as a strongly Democratic, urban, and liberal stronghold.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Pelosi family
2016 United States House of Representatives elections
→
leader2Seat
→
California's 12th congressional district
ⓘ