how many matte finished objects are to the left of the red leftmost object?
return objects ;return #1 that  are red ;return #2 that  are the  leftmost ;return #1 that  are matte finished ;return #4 that  are to  the  left of #3 ;return number of  #5
['select', 'filter', 'filter', 'filter', 'filter', 'aggregate']