What is the Winning Score of the Tournament with Jack Nicklaus as Runner(s)-up?
CREATE TABLE "pga_tour_wins_7" (
  "date" text,
  "tournament" text,
  "winning_score" text,
  "margin_of_victory" text,
  "runner_s_up" text
);
SELECT "winning_score" FROM "pga_tour_wins_7" WHERE "runner_s_up"='jack nicklaus';