Question: What is the name of the customer who has made the minimum amount of payment in one claim?
SQL: SELECT t3.customer_details FROM claim_headers AS t1 JOIN policies AS t2 ON t1.policy_id  =  t2.policy_id JOIN customers AS t3 ON t2.customer_id  =  t3.customer_id WHERE t1.amount_piad  =  (SELECT min(amount_piad) FROM claim_headers)