Find the placename with the most alternative names and return its country.
        More alternative names are a rough measure of importance.

        Paramaters
        ----------
        results: dict
            output of `query_geonames`

        Returns
        -------
        most_alt: str
            ISO code of country of place with most alternative names,
            or empty string if none

def _feature_most_alternative(self, results, full_results=False):
        """
        Find the placename with the most alternative names and return its country.
        More alternative names are a rough measure of importance.

        Paramaters
        ----------
        results: dict
            output of `query_geonames`

        Returns
        -------
        most_alt: str
            ISO code of country of place with most alternative names,
            or empty string if none
        """
        try:
            alt_names = [len(i['alternativenames']) for i in results['hits']['hits']]
            most_alt = results['hits']['hits'][np.array(alt_names).argmax()]
            if full_results:
                return most_alt
            else:
                return most_alt['country_code3']
        except (IndexError, ValueError, TypeError):
            return ""