How many metallic blue cubes are in front of the red rubber cylinder?
return cylinder ;return #1 that  is  red ;return #2 that  is  rubber ;return cubes ;return #4 that  are blue ;return #5 that  are metallic ;return #6 in front of #3 ;return number of  #7
['select', 'filter', 'filter', 'select', 'filter', 'filter', 'filter', 'aggregate']