Which episode had Hoagy carmichael safe with an order of 5?
CREATE TABLE "performances" (
  "episode" text,
  "song_choice" text,
  "original_artist" text,
  "order_num" text,
  "result" text
);
SELECT "episode" FROM "performances" WHERE "result"='safe' AND "order_num"='5' AND "original_artist"='hoagy carmichael';