Question: in which city was the 9th brics summit 2017 held
[{'answer': 'Xiamen , China', 'provenance': [{'wikipedia_id': '54416152', 'title': '9th BRICS summit', 'start_paragraph_id': 1, 'start_character': 245, 'end_paragraph_id': 1, 'end_character': 259, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '54416152', 'title': '9th BRICS summit', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 329, 'bleu_score': 0.9645876452711911, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5626536596672309463}, 'section': 'Section::::Abstract.'}]}]