What Song has a Group Song of Ring Ring Ring and a Score of 6.0 + 6.5 + 5.0 + 6.5 = 24.0?
CREATE TABLE "episode_5_23_february_2008" (
  "index" text,
  "name" text,
  "song" text,
  "group_song" text,
  "score" text
);
SELECT "song" FROM "episode_5_23_february_2008" WHERE "group_song"='ring ring ring' AND "score"='6.0 + 6.5 + 5.0 + 6.5 = 24.0';