What are the average price and score of wines grouped by appelation?
return appelations ;return wines of  #1 ;return prices of  #2 ;return average of  #3 for each  #1 ;return scores of  #2 ;return average of  #5 for each  #1 ;return #4 ,  #6
['select', 'project', 'project', 'group', 'project', 'group', 'union']