How many metallic objects are the same shape as the metallic gray cylinder?
return metallic  objects ;return metallic  cylinder ;return #2 that  is  gray ;return shapes of #1 ;return shape of #3 ;return #1 where #4 is  the  same as #5 ;return number of  #6
['select', 'select', 'filter', 'project', 'project', 'comparative', 'aggregate']