What is the air date for the episode with production code ad1c13?
CREATE TABLE table_name_64 (original_air_date VARCHAR, production_code VARCHAR)
SELECT original_air_date FROM table_name_64 WHERE production_code = "ad1c13"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_64 (original_air_date VARCHAR, production_code VARCHAR) Question: What is the air date for the episode with production code ad1c13? [/INST] SELECT original_air_date FROM table_name_64 WHERE production_code = "ad1c13" </s>