If atleast one picture has no more than 3 people in focus
return people ;return #1 that are in  focus ;return pictures ;return number of  #2 for each  #3 ;return #3 where  #4 is at most 3 ;return number of  #5 ;return if  #6 is at least one
['select', 'filter', 'select', 'group', 'comparative', 'aggregate', 'boolean']