Question: name the president of india who inaugurated the birla planetarium
[{'answer': 'R. Venkataraman', 'provenance': [{'wikipedia_id': '29139462', 'title': 'Birla Planetarium, Chennai', 'start_paragraph_id': 6, 'start_character': 316, 'end_paragraph_id': 6, 'end_character': 331, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '29139462', 'title': 'Birla Planetarium, Chennai', 'start_paragraph_id': 6, 'start_character': 0, 'end_paragraph_id': 6, 'end_character': 331, 'bleu_score': 0.686192143618925, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1372319653204240420}, 'section': 'Section::::History.\n'}]}]