Find the name of account that has the lowest total checking and saving balance.
return accounts ;return checking balances of  #1 ;return saving balances of  #1 ;return sum of  #2 and  #3 for each  #1 ;return #1 where #4 is  lowest ;return name of  #5
['select', 'project', 'project', 'group', 'superlative', 'project']