Table: lpga_championship_results
Columns: year
championship
winning_score
margin
runner_s_up

Question: Which Margin has a Winning score of –7 (71-72-67-71=281)?
SQL: SELECT "margin" FROM lpga_championship_results WHERE "winning_score" = '–7 (71-72-67-71=281)'

Question: Which Year has a Runner(s)-up of tammie green?
SQL: SELECT MIN("year") FROM lpga_championship_results WHERE "runner_s_up" = 'tammie green'

Question: Which Year has a Winning score of –4 (69-72-70-69=280)?
SQL: SELECT MIN("year") FROM lpga_championship_results WHERE "winning_score" = '–4 (69-72-70-69=280)'