Who has won more Grand Slam doubles titles, Elizabeth Smylie or Vasek Pospisil?
Elizabeth Smylie: Elizabeth Smylie (née Sayers, born 11 April 1963), sometimes known as Liz Smylie, is a retired Australian professional tennis player. Vasek Pospisil:  Along with partner Jack Sock, he won the 2014 Wimbledon Championships and the 2015 Indian Wells Masters men's doubles titles.
i don't know