Question: who is the returning officer for presidential election in india 2017
[{'answer': 'Anoop Mishra', 'provenance': [{'wikipedia_id': '50351424', 'title': '2017 Indian presidential election', 'start_paragraph_id': 9, 'start_character': 43, 'end_paragraph_id': 9, 'end_character': 55, 'bleu_score': 1.0, 'section': 'Section::::Background.:Selection process.\n'}]}, {'provenance': [{'wikipedia_id': '50351424', 'title': '2017 Indian presidential election', 'start_paragraph_id': 9, 'start_character': 0, 'end_paragraph_id': 9, 'end_character': 91, 'bleu_score': 0.8702397637697911, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7733165150808924382}, 'section': 'Section::::Background.:Selection process.\n'}]}]