Venus Williams loses Wimbledon quarter-final

Question

Venus Williams has lost her quarter-final match against Tsvetana Pironkova, with the second seed upstaged by the world No. 82 who now reaches the semi-finals of a Grand Slam for the first time in her career. More at http://blogs.bettor.com/Venus-Williams-dumped-out-of-Wimbledon-by-Tsvetana-Pironkova-a14182