CREATE TABLE table_29773532_21 (episode INTEGER, share_16_39 VARCHAR)
SELECT MAX(episode) FROM table_29773532_21 WHERE share_16_39 = "23,22%"
ตอนไหนมีส่วนแบ่ง 16-19 จาก 23,22%?
Which episode had a share 16-19 of 23,22%?