When did the episodes first air that had a production code of 107?
CREATE TABLE table_18335117_2 (
    original_air_date VARCHAR,
    production_code VARCHAR
)
SELECT original_air_date FROM table_18335117_2 WHERE production_code = 107
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: When did the episodes first air that had a production code of 107? ### Input: CREATE TABLE table_18335117_2 (
    original_air_date VARCHAR,
    production_code VARCHAR
) ### Response: SELECT original_air_date FROM table_18335117_2 WHERE production_code = 107