What color is the cylinder in front of the small blue metallic cube?
return cubes ;return #1 that  is  small ;return #2 that  is  blue ;return #3 that  is  metallic ;return cylinders ;return #5 that  is  in front of #4 ;return the  color of #6
['select', 'filter', 'filter', 'filter', 'select', 'filter', 'project']