Is the blue object the only metallic one?
return object ;return #1 that  is  blue ;return #2 that  is  metallic ;return #1 that  are metallic ;return #4 besides #3 ;return number of  #3 ;return number of  #5 ;return if  #6 is  more than  #7
['select', 'filter', 'filter', 'filter', 'discard', 'aggregate', 'aggregate', 'boolean']