Question: name of the present chief of army staff
[{'answer': 'General Bipin Rawat', 'provenance': [{'wikipedia_id': '1770221', 'title': 'Chief of the Army Staff (India)', 'start_paragraph_id': 2, 'start_character': 20, 'end_paragraph_id': 2, 'end_character': 39, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1770221', 'title': 'Chief of the Army Staff (India)', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 125, 'bleu_score': 0.9067110266941041, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5451524626271813904}, 'section': 'Section::::Abstract.'}]}]