Question: when was saudi arabia admitted to united nations
[{'answer': '24 October 1945', 'provenance': [{'wikipedia_id': '31969', 'title': 'Member states of the United Nations', 'start_paragraph_id': 9, 'start_character': 41, 'end_paragraph_id': 9, 'end_character': 56, 'bleu_score': 1.0, 'section': 'Section::::Original members.\n'}]}]