Give the average price and case of wines made from Zinfandel grapes in the year 2009.
return wines ;return #1 made from Zinfandel grapes ;return #2 in the  year 2009 ;return prices of #3 ;return cases of #3 ;return the  average of #4 ;return the  average of #5 ;return #6 ,  #7
['select', 'filter', 'filter', 'project', 'project', 'aggregate', 'aggregate', 'union']