Are there any brown cubes that are metallic and smaller than the green cylinder?
return cubes ;return #1 that are brown ;return #2 that are metallic ;return cylinders ;return #4 that is green ;return size of #3 ;return size of #5 ;return #3 where #6 is lower than #7 ;return number of  #8 ;return is #9 higher than zero
['select', 'filter', 'filter', 'select', 'filter', 'project', 'project', 'comparative', 'aggregate', 'boolean']