Table: players_championship_2009
Columns: player
played
legs_won
legs_lost
100
140
180s
high_checkout
3_dart_average

Question: how many matches did wayne mardle play
SQL: SELECT COUNT("played") FROM players_championship_2009 WHERE "player" = 'Wayne Mardle'

Question: what is the 3-dart average of raymond van barneveld
SQL: SELECT "3_dart_average" FROM players_championship_2009 WHERE "player" = 'Raymond van Barneveld'