Disambiguation evidence for 1997 at Portland Speedway via surface form
"1997 at Portland Speedway"
Triples (1)
Triples where some other subject referred to this entity
as "1997 at Portland Speedway".
Greg Biffle
→
firstNASCARTruckSeriesWin
→
"1997 at Portland Speedway"
ⓘ
↳ resolves to 1997 at Portland Speedway