How many small red spheres are to the left of the small red block?
return blocks ;return #1 that  are red ;return #2 that  is  small  ;return spheres ;return #4 that  are red ;return #5 that  are small  ;return #6 that  are left of #3 ;return number of #7
['select', 'filter', 'filter', 'select', 'filter', 'filter', 'filter', 'aggregate']