SELECT customer_id FROM customers WHERE customer_name LIKE "%Diana%"
What are the IDs of customers who have "Diana" in part of their names?
[Schema (values) (types)]: | insurance_fnol |  Customers : customer_id (text) , customer_name (number) | Services : service_id (text) , service_name (number) | Available_Policies : policy_id (text) , policy_type_code (number) , customer_phone (text) | Customers_Policies : customer_id (text) , policy_id (number) , date_opened (text) , date_closed (number) | First_Notification_of_Loss : fnol_id (text) , customer_id (number) , policy_id (text) , service_id (number) | Claims : claim_id (text) , fnol_id (number) , effective_date (text) | Settlements : settlement_id (text) , claim_id (number) , effective_date (text) , settlement_amount (number);