Who held the record for the number of Grand Slam tennis tournaments before it was beaten by Roger Federer at Wimbledon in 2009?
who held the record for the number of grand slam tennis tournaments before it was beaten by roger federer at wimbledon in 2009
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tennis wimbledon
tennis the championships, wimbledon
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sports.sport.pro_athletes..sports.pro_sports_played.athlete tennis.tennis_tournament.champions..tennis.tennis_tournament_championship.winner
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pete sampras
m.0hgst
pete sampras