If you subtract the blue cubes and red cylinder how many objects are left?
return objects ;return number of #1 ;return cubes ;return #3 that  are blue ;return number of #4 ;return the red cylinders ;return number of #6 ;return the sum of #5 and  #6 ;return the difference of #2 and  #8
['select', 'aggregate', 'select', 'filter', 'aggregate', 'select', 'aggregate', 'arithmetic', 'arithmetic']