Question: who was honoured with bharat ratna before he became president of india
[{'answer': 'A.P.J. Abdul Kalam', 'provenance': [{'wikipedia_id': '62682', 'title': 'A. P. J. Abdul Kalam', 'start_paragraph_id': 40, 'start_character': 8, 'end_paragraph_id': 40, 'end_character': 26, 'bleu_score': 1.0, 'section': 'Section::::Death.:Memorial.\n'}]}]