Question: what is the currency in hong kong china
[{'answer': 'Hong Kong dollar', 'provenance': [{'wikipedia_id': '309734', 'title': 'Hong Kong dollar', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 16, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '309734', 'title': 'Hong Kong dollar', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 262, 'bleu_score': 0.834017376365059, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5601312304821941398}, 'section': 'Section::::Abstract.'}]}]