If in at least one image, canoes are docked at the water edge with no people present.
return canoes ;return water edge ;return #1 that are docked at #2 ;return people ;return images ;return number of  #3 for each  #5 ;return #5 where  #6 is at least two ;return number of  #4 for each  #7 ;return #7 where  #8 is equal to  zero ;return number of  #9 ;return if  #10 is at least one
['select', 'select', 'filter', 'select', 'select', 'group', 'comparative', 'group', 'comparative', 'aggregate', 'boolean']