Table: golf_results_18
Columns: date
tournament
winning_score
margin_of_victory
runner_s_up

Question: What date has a margin of victory of 1 stroke over Greg Kraft?
SQL: SELECT "date" FROM golf_results_18 WHERE "margin_of_victory" = '1 stroke' AND "runner_s_up" = 'greg kraft'

Question: What was the margin of victory over Steve Rintoul?
SQL: SELECT "margin_of_victory" FROM golf_results_18 WHERE "runner_s_up" = 'steve rintoul'

Question: What was the margin of victory over Brad Faxon?
SQL: SELECT "margin_of_victory" FROM golf_results_18 WHERE "runner_s_up" = 'brad faxon'