What are the names, checking balances, and savings balances of customers, ordered by the total of checking and savings balances descending?
return customers ;return names of #1 ;return checking balances of #1 ;return savings  balances of #1 ;return sum of #3 for each #1 ;return sum of #4 for each #1 ;return #2 ,  #3 ,   #4 sorted by #5 , #6 descending
['select', 'project', 'project', 'project', 'group', 'group', 'sort']