CREATE TABLE first_notification_of_loss (fnol_id NUMBER, customer_id NUMBER, policy_id NUMBER, service_id NUMBER)
CREATE TABLE claims (claim_id NUMBER, fnol_id NUMBER, effective_date TIME)
CREATE TABLE customers_policies (customer_id NUMBER, policy_id NUMBER, date_opened TIME, date_closed TIME)
CREATE TABLE services (service_id NUMBER, service_name CLOB)
CREATE TABLE settlements (settlement_id NUMBER, claim_id NUMBER, effective_date TIME, settlement_amount NUMBER)
CREATE TABLE customers (customer_id NUMBER, customer_name CLOB)
CREATE TABLE available_policies (policy_id NUMBER, policy_type_code CLOB, customer_phone CLOB)

What are the IDs of customers who have 'Diana' in part of their names?
SELECT customer_id FROM customers WHERE customer_name LIKE "%Diana%"
SELECT "customer_id" FROM "customers" WHERE "customer_name" LIKE "%Diana%"