What is the original air date of the episode with production code is 319?
CREATE TABLE table_29436059_1 (
    original_air_date VARCHAR,
    production_code VARCHAR
)
SELECT original_air_date FROM table_29436059_1 WHERE production_code = 319
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: What is the original air date of the episode with production code is 319? ### Input: CREATE TABLE table_29436059_1 (
    original_air_date VARCHAR,
    production_code VARCHAR
) ### Response: SELECT original_air_date FROM table_29436059_1 WHERE production_code = 319