Whom between  Natasha Zvereva and Raúl Ramírez did Gigi Fernández win the most Grand Slam double's championships with?
Natasha Zvereva:  The team of Zvereva and Gigi Fernández won more women's doubles titles and Grand Slam women's doubles championships than any other team since that of Martina Navratilova and Pam Shriver.
i don't know