What is the Order # when the song choice was " you're so vain "?
CREATE TABLE "performances_results" (
  "week_num" text,
  "theme" text,
  "song_choice" text,
  "original_artist" text,
  "order_num" text,
  "result" text
);
SELECT "order_num" FROM "performances_results" WHERE "song_choice"='\" you''re so vain \"';