Table: appleby_tournaments
Columns: date
tournament
winning_score
margin_of_victory
runner_s_up

Question: What is Date, when Winning Score is −14 (68-68-67-71=274)?
SQL: SELECT "date" FROM appleby_tournaments WHERE "winning_score" = '−14 (68-68-67-71=274)'

Question: What is the Margin of Victory, when Tournament is Mercedes Championships (3)?
SQL: SELECT "margin_of_victory" FROM appleby_tournaments WHERE "tournament" = 'mercedes championships (3)'

Question: What is Date, when Tournament, is Greenbrier Classic?
SQL: SELECT "date" FROM appleby_tournaments WHERE "tournament" = 'greenbrier classic'

Question: What is Runner(s)-Up when Margin of Victory is 6 Strokes?
SQL: SELECT "runner_s_up" FROM appleby_tournaments WHERE "margin_of_victory" = '6 strokes'

Question: What is Date, when Runner(s)-Up is Jonathan Kaye?
SQL: SELECT "date" FROM appleby_tournaments WHERE "runner_s_up" = 'jonathan kaye'