What are the average prices and cases of wines produced in the year of 2009 and made of Zinfandel grape?
return wines ;return grapes of #1 ;return #1 where #2 is  Zinfandel ;return #3 in 2009 ;return prices of #4 ;return average of #5 ;return cases of #4 ;return number of #7 ;return average of #8 ;return #6 , #9
['select', 'project', 'comparative', 'filter', 'project', 'aggregate', 'project', 'aggregate', 'aggregate', 'union']