CREATE TABLE table_1569625_1 (tournament VARCHAR2, margin_of_victory VARCHAR2, winning_score VARCHAR2)

Name the tournament when margin of victory is 3 strokes and winning score is 71-66-70-67=274
SELECT tournament FROM table_1569625_1 WHERE margin_of_victory = "3 strokes" AND winning_score = 71 - 66 - 70 - 67 = 274
SELECT "tournament" FROM "table_1569625_1" WHERE "3 strokes" = "margin_of_victory" AND "winning_score" = FALSE