When did the episode with production code 213 air for the first time?
CREATE TABLE table_23403578_3 (original_air_date VARCHAR, prod_code VARCHAR)
SELECT original_air_date FROM table_23403578_3 WHERE prod_code = "213"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_23403578_3 (original_air_date VARCHAR, prod_code VARCHAR) Question: When did the episode with production code 213 air for the first time? [/INST] SELECT original_air_date FROM table_23403578_3 WHERE prod_code = "213" </s>