Question: which is the first coal mine in india
[{'answer': 'Raniganj Coalfield', 'provenance': [{'wikipedia_id': '18278130', 'title': 'Coal mining in India', 'start_paragraph_id': 1, 'start_character': 146, 'end_paragraph_id': 1, 'end_character': 164, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]