code: public String getPhotosFirstDateTaken() {
      return (person == null || person.photos == null || person.photos.firstDateTaken == null) ? null : person.photos.firstDateTaken._content;
    }
docs: Get the mysql datetime of the first photo taken by the user.
  
  You can use {@link JinxUtils#parseMySqlDatetimeToDate(String)} to convert this value to a Date object.
  
  @return mysql datetime of the first photo taken by the user, or null if the value was not returned.