Question: who was the indian author who was also a social reformer
[{'answer': 'Chinnaswami Subramania Bharati'}, {'answer': 'also known as Bharathiyar', 'provenance': [{'wikipedia_id': '423383', 'title': 'Subramania Bharati', 'start_paragraph_id': 1, 'start_character': 33, 'end_paragraph_id': 1, 'end_character': 58, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '423383', 'title': 'Subramania Bharati', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 442, 'bleu_score': 0.6712579257943341, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5500232160948802738}, 'section': 'Section::::Abstract.'}]}]