Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_17798548_4 (_number_of_discs INTEGER, season VARCHAR)
### Question:
How many discs for the complete 4th series?
### Answer:
SELECT MAX(_number_of_discs) FROM table_17798548_4 WHERE season = "The Complete 4th Series"