Database: small_bank_1
Question: What is the name corresponding to the accoung with the lowest sum of checking and savings balances?
SQL: select t1.name from accounts as t1 join checking as t2 on t1.custid  =  t2.custid join savings as t3 on t1.custid  =  t3.custid order by t2.balance + t3.balance limit 1