How many spheres are the same material as the large blue cylinder?
return spheres ;return large cylinder ;return #2 that  is  blue ;return materials of #1 ;return material of #3 ;return #1 where #4 is  the  same as #5 ;return number of  #6
['select', 'select', 'filter', 'project', 'project', 'comparative', 'aggregate']