Question: What 1970 American born tennis player won the 1990 ATP Tour World Championships – Singles?
Sentence (from "Andre Agassi"): Andre Kirk Agassi ( ; born April 29, 1970) is an American retired professional tennis player and former World No. 1 who was one of the sport's most dominant players from the early 1990s to the mid-2000s.
Relevant evidence: Yes