If two tan and white dogs have short legs and upright ears.
return dogs ;return #1 that are tan and white ;return legs of #2 ;return #2 where  #3 are short ;return ears of #4 ;return #4 where  #5 are upright ;return number of  #6 ;return if  #7 is equal to  two
['select', 'filter', 'project', 'comparative', 'project', 'comparative', 'aggregate', 'boolean']