What information can you provide for the customer Art Turcotte?
select * from customers where customer_first_name = "Art" and customer_last_name = "Turcotte"
What is his phone number?
select customer_phone from customers where customer_first_name = "Art" and customer_last_name = "Turcotte"
How many cards does he have?
select count(*) from customers_cards as t1 join customers as t2 on t1.customer_id = t2.customer_id where t2.customer_first_name = "Art" and t2.customer_last_name = "Turcotte"