CREATE TABLE table_72193 ("Year" FLOAT, "Championship" CLOB, "54 holes" CLOB, "Winning score" CLOB, "Margin" CLOB, "Runner ( s ) -up" CLOB)

what's the championship where winning score is 12 (74-66-65-71=276)
SELECT "Championship" FROM table_72193 WHERE "Winning score" = '−12 (74-66-65-71=276)'
SELECT "Championship" FROM "table_72193" WHERE "Winning score" = '−12 (74-66-65-71=276)'