SELECT sum(T2.balance) FROM accounts AS T1 JOIN savings AS T2 ON T1.custid  =  T2.custid WHERE T1.name != 'Brown'
What is the total balance of savings accounts not belonging to someone with the name Brown?
[Schema (values) (types)]: | small_bank_1 |  ACCOUNTS : custid (text) , name (number) | SAVINGS : custid (text) , balance (number) | CHECKING : custid (text) , balance (number);