Question: when was the second round table conference held
[{'answer': 'September 1931', 'provenance': [{'wikipedia_id': '1961206', 'title': 'Round Table Conferences (India)', 'start_paragraph_id': 89, 'start_character': 5, 'end_paragraph_id': 89, 'end_character': 19, 'bleu_score': 1.0, 'section': 'Section::::Third Round Table Conference (November – December 1932).\n'}]}]