What was the date that the episode with a production code of 213 was originally aired?
CREATE TABLE table_21831229_3 (original_us_air_date VARCHAR, prod_code VARCHAR)
SELECT original_us_air_date FROM table_21831229_3 WHERE prod_code = 213
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_21831229_3 (original_us_air_date VARCHAR, prod_code VARCHAR) Question: What was the date that the episode with a production code of 213 was originally aired? [/INST] SELECT original_us_air_date FROM table_21831229_3 WHERE prod_code = 213 </s>