If the season is before 2000, the runner up was north melbourne, and it's the pre-season cup, what's the sum of attendees?
CREATE TABLE table_name_8 (
    attendance INTEGER,
    season VARCHAR,
    premiership VARCHAR,
    runner_up VARCHAR
)
SELECT SUM(attendance) FROM table_name_8 WHERE premiership = "pre-season cup" AND runner_up = "north melbourne" AND season < 2000
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: If the season is before 2000, the runner up was north melbourne, and it's the pre-season cup, what's the sum of attendees? ### Input: CREATE TABLE table_name_8 (
    attendance INTEGER,
    season VARCHAR,
    premiership VARCHAR,
    runner_up VARCHAR
) ### Response: SELECT SUM(attendance) FROM table_name_8 WHERE premiership = "pre-season cup" AND runner_up = "north melbourne" AND season < 2000