Table: lpga_championship_results_3
Columns: year
championship
winning_score
margin
runner_s_up

Question: Which Championship was louise suggs the runner-up by 3 strokes?
SQL: SELECT "championship" FROM lpga_championship_results_3 WHERE "runner_s_up" = 'louise suggs' AND "margin" = '3 strokes'

Question: When was the most recent year that kathy whitworth was the runner-up?
SQL: SELECT MAX("year") FROM lpga_championship_results_3 WHERE "runner_s_up" = 'kathy whitworth'

Question: What was the winning score in the u.s. women's open that was won by 5 strokes?
SQL: SELECT "winning_score" FROM lpga_championship_results_3 WHERE "championship" = 'u.s. women''s open' AND "margin" = '5 strokes'