What was the name of the tournament played on Jun 17, 1973?
CREATE TABLE "pga_tour_wins_25" (
  "date" text,
  "tournament" text,
  "winning_score" text,
  "margin_of_victory" text,
  "runner_s_up" text
);
SELECT "tournament" FROM "pga_tour_wins_25" WHERE "date"='jun 17, 1973';