code: public Stats getPhotoStats(String photoId, Date date) throws FlickrException {
          return getStats(METHOD_GET_PHOTO_STATS, "photo_id", photoId, date);
      }
docs: Get the number of views, comments and favorites on a photo for a given date.
  
  @param date
  (Required) Stats will be returned for this date. A day according to Flickr Stats starts at midnight GMT for all users, and timestamps will
  automatically be rounded down to the start of the day.
  @param photoId
  (Required) The id of the photo to get stats for.
  @see "http://www.flickr.com/services/api/flickr.stats.getPhotoStats.htm"