CREATE TABLE table_247955_2 (to_par VARCHAR, winning_score VARCHAR)

What were the shots below par when the winning score was 67-64-63-71-66=331?
SELECT to_par FROM table_247955_2 WHERE winning_score = 67 - 64 - 63 - 71 - 66 = 331
SELECT "to_par" FROM "table_247955_2" WHERE "winning_score" = FALSE