Which 3 wineries produce the most wines made from white grapes?
return wineries ;return wines of #1 ;return #2 that are made from  white grapes ;return number of  #3 for each #1 ;return the  3 highest of #4 ;return #1 where #4 is equal to any of #5
['select', 'project', 'filter', 'group', 'aggregate', 'comparative']