What is the original air date of the episode with production code is 319?
CREATE TABLE table_29436059_1 (original_air_date VARCHAR, production_code VARCHAR)
SELECT original_air_date FROM table_29436059_1 WHERE production_code = 319
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_29436059_1 (original_air_date VARCHAR, production_code VARCHAR) Question: What is the original air date of the episode with production code is 319? [/INST] SELECT original_air_date FROM table_29436059_1 WHERE production_code = 319 </s>