What is the highest Purse ($) that has a 1st Prize ($) of 45,000 at the gte kaanapali classic tournament?
CREATE TABLE "tournament_results" (
  "date" text,
  "tournament" text,
  "location" text,
  "purse" real,
  "winner" text,
  "score" text,
  "1st_prize" text
);
SELECT MAX("purse") FROM "tournament_results" WHERE "1st_prize"='45,000' AND "tournament"='gte kaanapali classic';