Has a FIBA World Cup game ever ended 97-63?
Exactly once. On August 12, 2017, Austria beat Albania 97-63, and no FIBA World Cup game before or since has ended that way. When it happened it was a scorigami, the first 97-63 in league history.
That makes 97-63 the 475th most common final score out of 1,178 that have ever occurred in FIBA World Cup. One point away, 98-63 has happened 2 times and 97-64 has happened never.