Question: who wrote the song vaishnav jan to tene kahiye
[{'answer': 'Narsinh Mehta', 'provenance': [{'wikipedia_id': '6509104', 'title': 'Vaishnava Jana To', 'start_paragraph_id': 1, 'start_character': 77, 'end_paragraph_id': 1, 'end_character': 90, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '6509104', 'title': 'Vaishnava Jana To', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 211, 'bleu_score': 0.56640851206094, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15025111923482958201}, 'section': 'Section::::Abstract.'}]}]