CREATE TABLE table_name_98 (date VARCHAR, winning_score VARCHAR)

Which Date has a Winning score of 15 (71-69-68-65=273)?
SELECT date FROM table_name_98 WHERE winning_score = −15(71 - 69 - 68 - 65 = 273)
SELECT "date" FROM "table_name_98" WHERE "winning_score" = −15(FALSE)