What is the customer id, first and last name with least number of accounts.
SELECT T1.customer_id ,  T2.customer_first_name ,  T2.customer_last_name FROM Customers_cards AS T1 JOIN Customers AS T2 ON T1.customer_id  =  T2.customer_id GROUP BY T1.customer_id ORDER BY count(*) ASC LIMIT 1
SELECT T1.customer_id ,  T2.customer_first_name ,  T2.customer_last_name FROM Customers_cards AS T1 JOIN Customers AS T2 ON T1.customer_id  =  T2.customer_id GROUP BY T1.customer_id ORDER BY count(*) ASC LIMIT 1
[{'customer_id': 5, 'customer_first_name': 'Armani', 'customer_last_name': 'Farrell'}]