SELECT c.name AS name_category,
       COUNT(DISTINCT m.film_id) AS total_films
FROM movie AS m LEFT JOIN film_actor AS fa ON fa.film_id=m.film_id
LEFT JOIN actor AS a ON a.actor_id=fa.actor_id
LEFT JOIN film_category AS fc ON m.film_id=fc.film_id
LEFT JOIN category AS c ON c.category_id=fc.category_id
WHERE a.actor_id IN (SELECT a.actor_id
                     FROM movie AS m LEFT JOIN film_actor AS fa ON fa.film_id=m.film_id
                     LEFT JOIN actor AS a ON a.actor_id=fa.actor_id
                     WHERE m.release_year > 2013
                     GROUP BY a.actor_id
                     HAVING COUNT(a.actor_id)>7)
GROUP BY name
ORDER BY total_films DESC, name_category;