How many policies does America Jaskolski have listed?
select count ( * ) from customers as t1 join customers_policies as t2 on t1.customer_id = t2.customer_id where customer_name = "America Jaskolski"
Yes
select count ( * ) from customers as t1 join customers_policies as t2 on t1.customer_id = t2.customer_id where customer_name = "Mrs. hanna Willms"
How many policies are listed total?
select count ( policy_id ) from customers_policies
What is the Customer Name who has the most policies listed ?
select t1.customer_name from customers as t1 join customers_policies as t2 on t1.customer_id = t2.customer_id group by t1.customer_name order by count ( * ) desc limit 1