How many objects are the same size as the big cubes?
return cubes ;return #1 that  are big ;return the  size of #2 ;return objects ;return #4 besides #2 ;return sizes of #5 ;return #5 where  #6 is  the  same as #3 ;return number of #7
['select', 'filter', 'project', 'select', 'discard', 'project', 'comparative', 'aggregate']