What is the number of points for the 7th placed song with a draw greater than 8?
CREATE TABLE "national_final_29_march_1992" (
  "draw" real,
  "artist" text,
  "song" text,
  "points" real,
  "place" text
);
SELECT MIN("points") FROM "national_final_29_march_1992" WHERE "place"='7th' AND "draw">8;