How many other objects are the same material as the blue cube in the front?
return objects ;return blue cube ;return #2 that  is  in the   front ;return material 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']