Which film actor (actress) starred the most films? List his or her first name, last name and actor id.
create table film_actor (actor_id varchar, PRIMARY KEY (actor_id)); create table actor (first_name varchar, last_name varchar, actor_id varchar, PRIMARY KEY (first_name))
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