How many cubes are either to the left or in front of the yellow ball?
return cubes ;return yellow ball ;return #1 to the  left of #2 ;return #1 in  front of #2 ;return number of  #3 ;return number of  #4 ;return sum of #5 and  #6
['select', 'select', 'filter', 'filter', 'aggregate', 'aggregate', 'arithmetic']