Question: Name the doubles partner who assisted an American professional tennis player known primarily as a doubles specialist and current tennis broadcaster for ESPN, defeat Larisa Savchenko and Natasha Zvereva in the 1989 Virginia Slims Championships?
Sentence (from "Pam Shriver"): During the 1980s and 1990s, she won 133 titles, including 21 women's singles titles, 111 women's doubles titles and one mixed doubles title.
Relevant evidence: No