Question: why was hong kong important to the british empire
[{'answer': 'a centre for international trade', 'provenance': [{'wikipedia_id': '27413692', 'title': 'British Hong Kong', 'start_paragraph_id': 30, 'start_character': 107, 'end_paragraph_id': 30, 'end_character': 139, 'bleu_score': 1.0, 'section': 'Section::::Economy.\n'}]}, {'provenance': [{'wikipedia_id': '27413692', 'title': 'British Hong Kong', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 0, 'bleu_score': 1.0, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16303138108750721592}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '27413692', 'title': 'British Hong Kong', 'start_paragraph_id': 30, 'start_character': 0, 'end_paragraph_id': 30, 'end_character': 567, 'bleu_score': 0.978375183951072, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16303138108750721592}, 'section': 'Section::::Economy.\n'}]}, {'provenance': [{'wikipedia_id': '27413692', 'title': 'British Hong Kong', 'section': 'Section::::Economy.\n', 'start_paragraph_id': 30, 'end_paragraph_id': 30, 'meta': {'evidence_span': ['The stability, security, and predictability of British law and government enabled Hong Kong to flourish as a centre for international trade.', 'The stability, security, and predictability of British law and government enabled Hong Kong to flourish as a centre for international trade.']}}]}]