Write SQL query to solve given problem: Give the number of followers for the user who posted the most lists.. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT SUM(T1.list_followers) FROM lists AS T1 INNER JOIN lists_users AS T2 ON T1.list_id = T2.list_id GROUP BY T1.user_id ORDER BY COUNT(T1.list_id) DESC LIMIT 1