Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_26259391_1 (production_code VARCHAR, original_air_date VARCHAR)
### Question:
Which production code had original air dated february20,2011
### Answer:
SELECT production_code FROM table_26259391_1 WHERE original_air_date = "February20,2011"