What is the customer ID who is associated with the latest policy?
select t2.customer_id from policies as t1 join customers as t2 on t1.customer_id = t2.customer_id where t1.start_date = ( select max ( start_date ) from policies )
what is the name of the customer associated with customer ID 263?
select customer_details from customers where customer_id = 263
What is the policy type code of customer with ID 334?
select policy_type_code from policies where customer_id = 334