Table: golf_results_30
Columns: date
tournament
winning_score
margin_of_victory
runner_s_up

Question: What is the name of the tournament played on Sep 20, 1981, ending with a margin of vicroty of 2 strokes?
SQL: SELECT "tournament" FROM golf_results_30 WHERE "margin_of_victory" = '2 strokes' AND "date" = 'sep 20, 1981'

Question: For the tournament played on Jul 4, 1982, what was the winning score?
SQL: SELECT "winning_score" FROM golf_results_30 WHERE "date" = 'jul 4, 1982'

Question: What was the winning score for the Andy Williams-San Diego Open Invitational tournament?
SQL: SELECT "winning_score" FROM golf_results_30 WHERE "tournament" = 'andy williams-san diego open invitational'

Question: Who was the runner(s)-up for the tournament played on Jun 3, 1973?
SQL: SELECT "runner_s_up" FROM golf_results_30 WHERE "date" = 'jun 3, 1973'

Question: What was the winning score for the tournament played on Jul 14, 1973?
SQL: SELECT "winning_score" FROM golf_results_30 WHERE "date" = 'jul 14, 1973'

Question: In which tournament was Gil Morgan the runner-up?
SQL: SELECT "tournament" FROM golf_results_30 WHERE "runner_s_up" = 'gil morgan'