Which Runner(s)-up has a Winning score of –9 (71-68-72-68=279)?
CREATE TABLE "european_tour_wins_8" (
  "date" text,
  "tournament" text,
  "winning_score" text,
  "margin_of_victory" text,
  "runner_s_up" text
);
SELECT "runner_s_up" FROM "european_tour_wins_8" WHERE "winning_score"='–9 (71-68-72-68=279)';