code: def get_language_data(self, qid, lang, lang_data_type):
          
          self.init_language_data(lang, lang_data_type)
  
          current_lang_data = self.loaded_langs[lang][lang_data_type]
          all_lang_strings = current_lang_data.get(qid, [])
          if not all_lang_strings and lang_data_type in {'label', 'description'}:
              all_lang_strings = ['']
          return all_lang_strings
docs: get language data for specified qid
          :param qid:
          :param lang: language code
          :param lang_data_type: 'label', 'description' or 'aliases'
          :return: list of strings
          If nothing is found:
              If lang_data_type == label: returns ['']
              If lang_data_type == description: returns ['']
              If lang_data_type == aliases: returns []