Find the total amount claimed in the most recently created document.
SELECT sum(t1.amount_claimed) FROM claim_headers AS t1 JOIN claims_documents AS t2 ON t1.claim_header_id  =  t2.claim_id WHERE t2.created_date  =  (SELECT created_date FROM claims_documents ORDER BY created_date LIMIT 1)
En son oluşturulan belgede talep edilen toplam tutarı bulun.