CREATE TABLE table_8124 ("Date" TEXT, "Tournament" TEXT, "Winning score" TEXT, "Margin of victory" TEXT, "Runner ( s ) -up" TEXT)

Which Runner(s)-up has a Winning score of 8 (68-68-72-72=280)?
SELECT "Runner(s)-up" FROM table_8124 WHERE "Winning score" = '–8 (68-68-72-72=280)'
SELECT "Runner(s)-up" FROM "table_8124" WHERE "Winning score" = '–8 (68-68-72-72=280)'