what is the name of the actor that starred in most films?
select t2.first_name, t2.last_name 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
what is  Gina Gegeneres's actor id?
select actor_id from actor where first_name = 'GINA' and last_name = 'DEGENERES'
when was Gina Gegeneres's last update?
select last_update from actor where first_name = 'GINA' and last_name = 'DEGENERES'