CREATE TABLE table_13684 ("Date" TEXT, "Tournament" TEXT, "Winning score" TEXT, "Margin of victory" TEXT, "Runner ( s ) -up" TEXT)

Who is the runner(s)-up with a winning score of 5 (72-71-68=211)?
SELECT "Runner(s)-up" FROM table_13684 WHERE "Winning score" = '−5 (72-71-68=211)'
SELECT "Runner(s)-up" FROM "table_13684" WHERE "Winning score" = '−5 (72-71-68=211)'