Give me the title and category name of films whose price per day is more than $30. Please include their special features.
category name refers to category.name; price per day is more than $30 refers to multiply(rental_duration, rental_rate) > 30
SELECT T1.title, T3.name, T1.special_features FROM film AS T1 INNER JOIN film_category AS T2 ON T1.film_id = T2.film_id INNER JOIN category AS T3 ON T2.category_id = T3.category_id WHERE T1.rental_duration * T1.rental_rate > 30