What are the names of accounts with checking balances greater than the average checking balance and savings balances below the average savings balance?
return accounts ;return checking balances of #1 ;return savings  balances of #1 ;return the  average of #2 ;return the  average of #3 ;return #1 where #2 is higher than #4 ;return #1 where #3 is lower than #5 ;return #1 in  both #6 and  #7 ;return names of #8
['select', 'project', 'project', 'aggregate', 'aggregate', 'comparative', 'comparative', 'intersection', 'project']