How many other objects are the same color as the sphere in between  the two purple cylinders? 
return the purple cylinders ;return the sphere that  is  in between #1 ;return color of #2 ;return objects ;return #4 besides #2 ;return color of #5 ;return #5 where #6 is  the same as #3 ;return number of #7
['select', 'project', 'project', 'select', 'discard', 'project', 'comparative', 'aggregate']