CREATE TABLE table_name_78 (margin_of_victory VARCHAR, runner_s__up VARCHAR, winning_score VARCHAR)

what is the margin of victory when the runner-up is amy alcott and the winning score is 9 (72-68-67=207)?
SELECT margin_of_victory FROM table_name_78 WHERE runner_s__up = "amy alcott" AND winning_score = –9(72 - 68 - 67 = 207)
SELECT "margin_of_victory" FROM "table_name_78" WHERE "amy alcott" = "runner_s__up" AND "winning_score" = –9(FALSE)