How many matte and metallic brown objects are shown?
return objects ;return #1 that  are brown ;return #2 that  are matte ;return #2 that  are metallic ;return the  number of  #3 ;return the  number of  #4 ;return the  sum of #5 and #6
['select', 'filter', 'filter', 'filter', 'aggregate', 'aggregate', 'arithmetic']