Question: china's economy has expanded at a faster rate reaching what gdp value in q2 2017
[{'answer': '6.9 %', 'provenance': [{'wikipedia_id': '19284336', 'title': 'Economy of China', 'start_paragraph_id': 205, 'start_character': 165, 'end_paragraph_id': 205, 'end_character': 168, 'bleu_score': 1.0, 'section': 'Section::::Foreign investment.:Mergers and acquisitions.\n'}]}]