Question: Whom between  Natasha Zvereva and Raúl Ramírez did Gigi Fernández win the most Grand Slam double's championships with?
{'answer': "Zvereva and Gigi Fernández won more women's doubles titles and Grand Slam women's doubles", 'supporting_facts': [['Natasha Zvereva', 2], ['Raúl Ramírez', 2]]}