If exactly one clownfish swims near the center of an image, amid anemone tendrils.
return images ;return clownfish in  #1 ;return the  center of #1 ;return #2 that swim near #3 ;return anemone tendrils in  #1 ;return #4 that are amid #5 ;return number of  #6 for each  #1 ;return #1 where  #7 is equal to  one ;return number of  #8 ;return if  #9 is equal to  one
['select', 'project', 'project', 'filter', 'project', 'filter', 'group', 'comparative', 'aggregate', 'boolean']