Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_17798548_4 (date_released VARCHAR, season VARCHAR)

### Question ###
What day was the complete 2nd series: volume one released?

### Accurate SQL ###

SELECT date_released FROM table_17798548_4 WHERE season = "The Complete 2nd Series: Volume One"