How many non metallic objects are the same color as the closest item?
return objects ;return #1 that  are non metallic ;return colors of #2 ;return the closest item ;return color of #4 ;return #2 where #3 is  the same as #5 ;return number of #6
['select', 'filter', 'project', 'select', 'project', 'comparative', 'aggregate']