What is the first prize amount of the person who has a score of 207 (-9) and a purse amount of more than 800,000?
CREATE TABLE "tournament_results" (
  "date" text,
  "tournament" text,
  "location" text,
  "purse" real,
  "winner" text,
  "score" text,
  "1st_prize" real
);
SELECT COUNT("1st_prize") FROM "tournament_results" WHERE "score"='207 (-9)' AND "purse">'800,000';