Database: sakila_1
Question: Return the full name and id of the actor or actress who starred in the greatest number of films.
SQL: select t2.first_name ,  t2.last_name ,  t2.actor_id from film_actor as t1 join actor as t2 on t1.actor_id  =  t2.actor_id group by t2.actor_id order by count(*) desc limit 1