Question: Who has won more Grand Slam singles titles, Anastasia Myskina or Leander Paes?
Sentence (from "Leander Paes"): Leander Adrian Paes (born 17 June 1973) is an Indian professional tennis player who is considered to be one of the best doubles and mixed doubles players of all time, having achieved a career Grand Slam in each discipline.
Relevant evidence: Yes