ลูกค้าที่ชื่อ 'Dayana Robel' มีกรมธรรม์ประเภทใดบ้าง?ไม่จำเป็นต้องใช้ทุกตาราง
What are all the policy types of the customer named 'Dayana Robel'?It is not neccessary to use all the tables.
 claims:  claim_id [ number]  fnol_id [ number]  effective_date [ time] 
SELECT DISTINCT t3.policy_type_code FROM customers AS t1 JOIN customers_policies AS t2 ON t1.customer_id = t2.customer_id JOIN available_policies AS t3 ON t2.policy_id = t3.policy_id WHERE t1.customer_name = "Dayana Robel"