Question: who wrote ekbar biday de ma ghure asi
[{'answer': 'Pitambar Das', 'provenance': [{'wikipedia_id': '36254867', 'title': 'Ekbar biday de Ma ghure ashi', 'start_paragraph_id': 1, 'start_character': 98, 'end_paragraph_id': 1, 'end_character': 110, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]