What was the result for Steve & Anna when the score was 21 (7, 7, 7)?
CREATE TABLE "week_3" (
  "couple" text,
  "score" text,
  "style" text,
  "music" text,
  "result" text
);
SELECT "result" FROM "week_3" WHERE "score"='21 (7, 7, 7)' AND "couple"='steve & anna';