Question: In the 1981 Volvo Masters who beat the winner of the 1975 Wimbledon men's double that partnered with Sandy Mayer?
Sentence (from "Vitas Gerulaitis"): He won the men's singles title at one of the two Australian Open tournaments held in 1977 (Gerulaitis won the tournament that was held in December, while Roscoe Tanner won the earlier January tournament).
Relevant evidence: No