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?
{'answer': 'Navratilova', 'supporting_facts': [['1989 Virginia Slims Championships – Doubles', 0], ['Pam Shriver', 0], ['Pam Shriver', 1]]}