docs: def queries(self, request):
          '''Multiple Database Queries'''
          queries = self.get_queries(request)
          worlds = []
          with self.mapper.begin() as session:
              for _ in range(queries):
                  world = session.query(World).get(randint(1, MAXINT))
                  worlds.append(self.get_json(world))
          return Json(worlds).http_response(request)