How many sphere shaped objects are behind the large metallic cylinder?
return objects ;return #1 that  are sphere shaped ;return #1 that  is  large ;return #3 that  is  metallic ;return #4 that  is  cylinder ;return #2 that  are behind #5 ;return number of  #6
['select', 'filter', 'filter', 'filter', 'filter', 'filter', 'aggregate']