How many DVDs where were in the complete collection series 1-8 with extras?
CREATE TABLE table_28056 (
    "Release" text,
    "# of discs" real,
    "Region 1" text,
    "Region 2" text,
    "Region 4" text
)
SELECT "# of discs" FROM table_28056 WHERE "Release" = 'The Complete Collection Series 1-8 with extras'
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: How many DVDs where were in the complete collection series 1-8 with extras? ### Input: CREATE TABLE table_28056 (
    "Release" text,
    "# of discs" real,
    "Region 1" text,
    "Region 2" text,
    "Region 4" text
) ### Response: SELECT "# of discs" FROM table_28056 WHERE "Release" = 'The Complete Collection Series 1-8 with extras'