What is the total amount of money that the United States one with a To par of –2?
CREATE TABLE "final_leaderboard" (
  "place" text,
  "player" text,
  "country" text,
  "score" text,
  "to_par" text,
  "money" real
);
SELECT COUNT("money") FROM "final_leaderboard" WHERE "country"='united states' AND "to_par"='–2';