How many song titles belong to the artist Ratt?
CREATE TABLE "soundtrack" (
  "year" real,
  "song_title" text,
  "artist" text,
  "genre" text,
  "original_game" text,
  "band_tier_venue" text,
  "exportable_to_gh5_bh" text
);
SELECT COUNT("song_title") FROM "soundtrack" WHERE "artist"='Ratt';