CREATE TABLE table_name_98 (couple VARCHAR, dance VARCHAR, score VARCHAR)
SELECT couple FROM table_name_98 WHERE dance = "jive" AND score = "21 (6, 7, 8)"
คู่ไหนเต้นตลกแล้วได้คะแนน 21 (6, 7, 8)
Which couple danced a jive and received a score of 21 (6, 7, 8)?