Question: when was commercial bank first nationalised in india
[{'answer': '1969', 'provenance': [{'wikipedia_id': '1630037', 'title': 'Banking in India', 'start_paragraph_id': 3, 'start_character': 189, 'end_paragraph_id': 3, 'end_character': 193, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1630037', 'title': 'Banking in India', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 502, 'bleu_score': 0.946458428441119, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11033755545864653055}, 'section': 'Section::::Abstract.'}]}]