What is the most popular full name of the actors?
SELECT first_name ,  last_name FROM actor GROUP BY first_name ,  last_name ORDER BY count(*) DESC LIMIT 1
SELECT first_name ,  last_name FROM actor GROUP BY first_name ,  last_name ORDER BY count(*) DESC LIMIT 1
[{'first_name': 'SUSAN', 'last_name': 'DAVIS'}]