Question: Which tennis player, Cyril Suk or Christo van Rensburg,  won one Grand Slam men's doubles title and four Grand Slam mixed doubles titles during his career?
Sentence (from "Williams sisters"): Between 2000 and 2016, a 17-year span, they collectively won 12 Wimbledon singles titles (Venus won 5 and Serena won 7).
Relevant evidence: No