Who has won more medals, Daniel Nestor or Piet Norval?
Daniel Nestor: Daniel Mark Nestor {'1': ", '2': ", '3': ", '4': "} (Serbian Cyrillic: Данијел Несторовић; born September 4, 1972 as Danijel Nestorović) is a Canadian professional tennis player. Piet Norval: Pieter ("Piet") Norval (born 7 April 1970) is a former tennis player from South Africa, who turned professional in 1988. Piet Norval:  The pair won the silver medal, after losing the final to Boris Becker and Michael Stich from Germany.
i don't know