How many paying subscribers gave a rating to the movie "One Flew Over the Cuckoo's Nest"?
paying subscribers refer to user_has_payment_method = 1; movie "One Flew Over the Cuckoo's Nest" refers to movie_id = 'One Flew Over the Cuckoo''s Nest'
SELECT COUNT(T1.user_id) FROM ratings AS T1 INNER JOIN movies AS T2 ON T1.movie_id = T2.movie_id INNER JOIN ratings_users AS T3 ON T1.user_id = T3.user_id WHERE T2.movie_title = 'One Flew Over the Cuckoo''s Nest' AND T3.user_has_payment_method = 1