What was the official rating 16-39 of episode 9?
CREATE TABLE table_29773532_21 (official_rating_16_39 VARCHAR, episode VARCHAR)
SELECT official_rating_16_39 FROM table_29773532_21 WHERE episode = 9
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_29773532_21 (official_rating_16_39 VARCHAR, episode VARCHAR) Question: What was the official rating 16-39 of episode 9? [/INST] SELECT official_rating_16_39 FROM table_29773532_21 WHERE episode = 9 </s>