Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_29773532_21 (episode INTEGER, share_16_39 VARCHAR)
### Question:
Which episode had a share 16-19 of 23,22%?
### Answer:
SELECT MAX(episode) FROM table_29773532_21 WHERE share_16_39 = "23,22%"