Question: Which tennis player, Sandy Mayer or Jennifer Capriati, won ten titles in singles and twenty-four titles in doubles?
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