CREATE TABLE table_name_15 (winning_score VARCHAR, runner_s__up VARCHAR)

What is the Winning Score of the Tournament with Jack Nicklaus as Runner(s)-up?
SELECT winning_score FROM table_name_15 WHERE runner_s__up = "jack nicklaus"
SELECT "winning_score" FROM "table_name_15" WHERE "jack nicklaus" = "runner_s__up"