Question: what is the name of china's currency
[{'answer': 'renminbi', 'provenance': [{'wikipedia_id': '66958', 'title': 'Renminbi', 'start_paragraph_id': 1, 'start_character': 4, 'end_paragraph_id': 1, 'end_character': 12, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '66958', 'title': 'Renminbi', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 619, 'bleu_score': 0.6632437211766341, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14297659365560866314}, 'section': 'Section::::Abstract.'}]}]