What is the production code of the episode with an original airdate of december 01?
CREATE TABLE table_25691838_12 (production_code VARCHAR, original_airdate VARCHAR)
SELECT production_code FROM table_25691838_12 WHERE original_airdate = "December 01"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_25691838_12 (production_code VARCHAR, original_airdate VARCHAR) Question: What is the production code of the episode with an original airdate of december 01? [/INST] SELECT production_code FROM table_25691838_12 WHERE original_airdate = "December 01" </s>