Which production code had original air dated february20,2011
CREATE TABLE table_26259391_1 (production_code VARCHAR, original_air_date VARCHAR)
SELECT production_code FROM table_26259391_1 WHERE original_air_date = "February20,2011"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_26259391_1 (production_code VARCHAR, original_air_date VARCHAR) Question: Which production code had original air dated february20,2011 [/INST] SELECT production_code FROM table_26259391_1 WHERE original_air_date = "February20,2011" </s>