Write SQL query to solve given problem: Among the lists with at least one follower, how many were created by user who was subscriber when created the list?. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT COUNT(T1.list_id) FROM lists_users AS T1 INNER JOIN lists AS T2 ON T1.list_id = T2.list_id WHERE T2.list_followers >= 1 AND T1.user_subscriber = 1