Find the name and savings balance of the top 3 accounts with the highest saving balance sorted by savings balance in descending order.
return accounts ;return savings  balances of #1 ;return the  3 highest of #2 ;return #1 where #2 is equal to any of #3 ;return names of #4 ;return savings  balances of #4 ;return #5 ,  #6 ;return #7 sorted by #6 in  descending order
['select', 'project', 'aggregate', 'comparative', 'project', 'project', 'union', 'sort']