Which To par has a Score of 78-74-71-75=298?
CREATE TABLE "final_leaderboard" (
  "place" text,
  "player" text,
  "country" text,
  "score" text,
  "to_par" real,
  "money" real
);
SELECT AVG("to_par") FROM "final_leaderboard" WHERE "score"='78-74-71-75=298';