What is the name of each camera lens and the number of photos taken by it? Order the result by the count of photos.
return camera lens ;return name of   #1 ;return photos  taken by  #1 ;return number of  #3 for each #1 ;return #2 ,  #4 ;return #5 sorted by #4
['select', 'project', 'project', 'group', 'union', 'sort']