Disambiguation evidence for Union Pacific Challenger via surface form

"Union Pacific 4-6-6-4 Challenger"

Triples (1)

Triples where some other subject referred to this entity as "Union Pacific 4-6-6-4 Challenger".

Union Pacific Challenger → locomotiveClassUsed →
"Union Pacific 4-6-6-4 Challenger"
↳ resolves to Union Pacific Challenger
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