What is the number of points for the song "viva rock 'n' roll", with more than 3 Draws?
CREATE TABLE "national_final_28_march_1992" (
  "draw" real,
  "artist" text,
  "song" text,
  "points" real,
  "place" real
);
SELECT AVG("points") FROM "national_final_28_march_1992" WHERE "song"='\"viva rock ''n'' roll\"' AND "draw">3;