In what order were the Bee Gees as the artist when it was a result of bottom 3?
CREATE TABLE "performances" (
  "episode" text,
  "song_choice" text,
  "original_artist" text,
  "order_num" text,
  "result" text
);
SELECT "order_num" FROM "performances" WHERE "result"='bottom 3' AND "original_artist"='bee gees';