The episode with the original air date January 6, 1999, has what production code?
CREATE TABLE table_2618152_1 (production_code VARCHAR, original_air_date VARCHAR)
SELECT production_code FROM table_2618152_1 WHERE original_air_date = "January 6, 1999"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_2618152_1 (production_code VARCHAR, original_air_date VARCHAR) Question: The episode with the original air date January 6, 1999, has what production code? [/INST] SELECT production_code FROM table_2618152_1 WHERE original_air_date = "January 6, 1999" </s>