CREATE TABLE table_14883 ("Date" TEXT, "Tournament" TEXT, "Winning score" TEXT, "To par" TEXT, "Margin of victory" TEXT, "Runner ( s ) -up" TEXT)

On what Date was the Winning score of 72-67-68-67=274?
SELECT "Date" FROM table_14883 WHERE "Winning score" = '72-67-68-67=274'
SELECT "Date" FROM "table_14883" WHERE "Winning score" = '72-67-68-67=274'