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"
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: Name the production code for number in season being 21 ### Input: CREATE TABLE table_22948559_1 (
    production_code VARCHAR,
    no_in_season VARCHAR
) ### Response: SELECT production_code FROM table_22948559_1 WHERE no_in_season = "21"