If in at least one image there is a single leopard whose facing is left forward.
return leopards ;return facing of #1 ;return #1 where  #2 is left forward ;return images ;return the  number of  #3 for each  #4 ;return #4 where  #5 is equal to  one ;return the  number of  #6 ;return if  #7 is at least one
['select', 'project', 'comparative', 'select', 'group', 'comparative', 'aggregate', 'boolean']