What day was the complete 2nd series: volume one released?
CREATE TABLE table_17798548_4 (
    date_released VARCHAR,
    season VARCHAR
)
SELECT date_released FROM table_17798548_4 WHERE season = "The Complete 2nd Series: Volume One"
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 day was the complete 2nd series: volume one released? ### Input: CREATE TABLE table_17798548_4 (
    date_released VARCHAR,
    season VARCHAR
) ### Response: SELECT date_released FROM table_17798548_4 WHERE season = "The Complete 2nd Series: Volume One"