Table: golf_event_results_2
Columns: date
tournament
winning_score
margin_of_victory
runner_s_up

Question: Who was the Runner-up for the merrill lynch/golf digest commemorative pro-am tournament?
SQL: SELECT "runner_s_up" FROM golf_event_results_2 WHERE "tournament" = 'merrill lynch/golf digest commemorative pro-am'

Question: What was the margin of victory when the winning score was –14 (70-68-67=205)?
SQL: SELECT "margin_of_victory" FROM golf_event_results_2 WHERE "winning_score" = '–14 (70-68-67=205)'

Question: Who were the runner(s)-up when the winning score was –10 (69-68-74-67=278)?
SQL: SELECT "margin_of_victory" FROM golf_event_results_2 WHERE "winning_score" = '–10 (69-68-74-67=278)'

Question: Who was the runner-up for the mazda senior tournament players championship tournament when the margin of victory was 2 strokes?
SQL: SELECT "runner_s_up" FROM golf_event_results_2 WHERE "margin_of_victory" = '2 strokes' AND "tournament" = 'mazda senior tournament players championship'