Disambiguation evidence for Sado Island, Niigata Prefecture via surface form

"Sado Island (at times administered separately as Sado Province)"

Triples (1)

Triples where some other subject referred to this entity as "Sado Island (at times administered separately as Sado Province)".

Echigo Province → hasPart →
"Sado Island (at times administered separately as Sado Province)"
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