What is the name corresponding to the accoung with the lowest sum of checking and savings balances?
return accoungs ;return checking balances of  #1 ;return saving balances of  #1 ;return sum of  #2 and  #3 ;return #1 where #4 is  lowest ;return name corresponding to #5
['select', 'project', 'project', 'arithmetic', 'superlative', 'project']