Question: who was the president of india in 1977
[{'answer': 'Fakhruddin Ali Ahmed', 'provenance': [{'wikipedia_id': '290769', 'title': 'List of presidents of India', 'start_paragraph_id': 4, 'start_character': 270, 'end_paragraph_id': 4, 'end_character': 290, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Basappa Danappa Jatti', 'provenance': [{'wikipedia_id': '290769', 'title': 'List of presidents of India', 'start_paragraph_id': 7, 'start_character': 162, 'end_paragraph_id': 7, 'end_character': 183, 'bleu_score': 1.0, 'section': 'Section::::Presidents.\n'}]}, {'answer': 'Neelam Sanjiva Reddy', 'provenance': [{'wikipedia_id': '290769', 'title': 'List of presidents of India', 'start_paragraph_id': 4, 'start_character': 187, 'end_paragraph_id': 4, 'end_character': 207, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]