If in the left image, there's a bookcase with a single shelf angled toward the right.
return left image ;return bookcase in  #1 ;return shelf of #2 ;return #3 that is angled toward the  right ;return number of  #4 for each  #2 ;return #2 where  #5 is equal to  one ;return number of  #6 ;return if  #7 is at least one
['select', 'project', 'project', 'filter', 'group', 'comparative', 'aggregate', 'boolean']