Question: who was the president of indian national congress when india became free
[{'answer': 'Jivatram Bhagwandas Kripalani', 'provenance': [{'wikipedia_id': '3009461', 'title': 'J. B. Kripalani', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 29, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3009461', 'title': 'J. B. Kripalani', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 248, 'bleu_score': 0.7468584450993541, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1673352144793737863}, 'section': 'Section::::Abstract.'}]}]