What is Winning Score, when Runner(s)-up is Ted Purdy?
CREATE TABLE "pga_tour_wins_6" (
  "date" text,
  "tournament" text,
  "winning_score" text,
  "margin_of_victory" text,
  "runner_s_up" text
);
SELECT "winning_score" FROM "pga_tour_wins_6" WHERE "runner_s_up"='ted purdy';