Question: whose birthday anniversary celebrated as national mathematics day
[{'answer': 'Srinivasa Ramanujan', 'provenance': [{'wikipedia_id': '35599234', 'title': 'National Mathematics Day (India)', 'start_paragraph_id': 1, 'start_character': 296, 'end_paragraph_id': 1, 'end_character': 315, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]