CREATE TABLE table_11570261_1 (championship VARCHAR, winning_score VARCHAR)

what's the championship where winning score is 12 (74-66-65-71=276)
SELECT championship FROM table_11570261_1 WHERE winning_score = −12(74 - 66 - 65 - 71 = 276)
SELECT "championship" FROM "table_11570261_1" WHERE "winning_score" = −12(FALSE)