Question: which state has highest coal reserve in india
[{'answer': 'Jharkhand', 'provenance': [{'wikipedia_id': '18278130', 'title': 'Coal mining in India', 'start_paragraph_id': 13, 'start_character': 217, 'end_paragraph_id': 13, 'end_character': 226, 'bleu_score': 1.0, 'section': 'Section::::History.:Nationalisation of coal mines.\n'}]}, {'provenance': [{'wikipedia_id': '18278130', 'title': 'Coal mining in India', 'start_paragraph_id': 22, 'start_character': 0, 'end_paragraph_id': 22, 'end_character': 327, 'bleu_score': 0.788249005188245, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17420148596128484096}, 'section': 'Section::::Reserves.\n'}]}]