What was the Winning Score on May 29, 1977?
CREATE TABLE "lpga_tour_wins_7" (
  "date" text,
  "tournament" text,
  "winning_score" text,
  "margin_of_victory" text,
  "runner_s_up" text
);
SELECT "winning_score" FROM "lpga_tour_wins_7" WHERE "date"='may 29, 1977';