มีการชำระเงินทั้งหมดกี่รายการ?ไม่จำเป็นต้องใช้ตารางทั้งหมด
How many settlements are there in total?It is not neccessary to use all the tables.
 settlements:  settlement_id [ number]  claim_id [ number]  date_claim_made [ time]  date_claim_settled [ time]  amount_claimed [ number]  amount_settled [ number]  customer_policy_id [ number] 
SELECT COUNT(*) FROM settlements