Question: when did pakistan become the member of uno
[{'answer': '30 September 1947', 'provenance': [{'wikipedia_id': '31969', 'title': 'Member states of the United Nations', 'start_paragraph_id': 55, 'start_character': 52, 'end_paragraph_id': 55, 'end_character': 69, 'bleu_score': 1.0, 'section': 'Section::::Former members.:Yemen and Democratic Yemen.\n'}]}]