Question: who is the author of wings of fire
[{'answer': 'Dr. Kalam and Arun Tiwari', 'provenance': [{'wikipedia_id': '1858968', 'title': 'Wings of Fire', 'start_paragraph_id': 1, 'start_character': 106, 'end_paragraph_id': 1, 'end_character': 131, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]