CREATE TABLE table_name_19 (runner_s__up VARCHAR, margin_of_victory VARCHAR, winning_score VARCHAR)

Who is runner-up where the winning score is 6 (65-70-70-69=274) and the margin of victory is 3 strokes?
SELECT runner_s__up FROM table_name_19 WHERE margin_of_victory = "3 strokes" AND winning_score = –6(65 - 70 - 70 - 69 = 274)
SELECT "runner_s__up" FROM "table_name_19" WHERE "3 strokes" = "margin_of_victory" AND "winning_score" = –6(FALSE)