Name the production code for number in season being 21
CREATE TABLE table_22948559_1 (production_code VARCHAR, no_in_season VARCHAR)
SELECT production_code FROM table_22948559_1 WHERE no_in_season = "21"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_22948559_1 (production_code VARCHAR, no_in_season VARCHAR) Question: Name the production code for number in season being 21 [/INST] SELECT production_code FROM table_22948559_1 WHERE no_in_season = "21" </s>