How many users were trialists when they rated the movie "A Way of Life"?
A Way of Life' refers to movie_title; the user was a trialist when he rated the movie refers to user_trialist = 1;
SELECT COUNT(T1.user_id) FROM ratings AS T1 INNER JOIN movies AS T2 ON T1.movie_id = T2.movie_id WHERE T2.movie_title = 'When Will I Be Loved' AND T1.user_trialist = 1