Which championship has a winning score of (77-76-74-73=300)?
CREATE TABLE "wins_5" (
  "year" real,
  "championship" text,
  "54_holes" text,
  "winning_score" text,
  "margin" text,
  "runner_s_up" text
);
SELECT "championship" FROM "wins_5" WHERE "winning_score"='(77-76-74-73=300)';