Question: who was the president of india when first nuclear tests was conducted
[{'answer': 'Indira Gandhi', 'provenance': [{'wikipedia_id': '2188274', 'title': 'Pokhran-II', 'start_paragraph_id': 7, 'start_character': 6, 'end_paragraph_id': 7, 'end_character': 19, 'bleu_score': 1.0, 'section': "Section::::India's nuclear bomb project.\n"}]}, {'provenance': [{'wikipedia_id': '2188274', 'title': 'Pokhran-II', 'start_paragraph_id': 7, 'start_character': 0, 'end_paragraph_id': 7, 'end_character': 302, 'bleu_score': 0.957870874785216, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 528259458763941610}, 'section': "Section::::India's nuclear bomb project.\n"}]}]