yes
select distinct policy_type_code from available_policies
Show me the policy type code with policy id 257?
select policy_type_code from available_policies where policy_id = 257
Show me the policy id of the policy type code Life insurance?
select policy_id from available_policies where policy_type_code = "Life Insurance"
Show which policy type has the most records in the database?
select policy_type_code from available_policies group by policy_type_code order by count ( * ) desc limit 1