CREATE TABLE customers (customer_details VARCHAR, customer_id VARCHAR)
CREATE TABLE policies (policy_id VARCHAR, customer_id VARCHAR)
CREATE TABLE claim_headers (amount_piad INT)

What is the name of the customer who has made the minimum amount of payment in one claim?
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)
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")