If one image with at least one camera-facing basset hound in it also contains two hats.
return basset hound ;return #1 that is camera-facing ;return hats ;return images ;return number of  #2 for each  #4 ;return #4 where  #5 is at least one ;return number of  #3 for each  #6 ;return #6 where  #7 is equal to  two ;return number of  #8 ;return if  #9 is equal to  one
['select', 'filter', 'select', 'select', 'group', 'comparative', 'group', 'comparative', 'aggregate', 'boolean']