Question: who had the most advanced economy in the world before the eighteenth century
[{'answer': 'China', 'provenance': [{'wikipedia_id': '7391958', 'title': 'Great Divergence', 'start_paragraph_id': 1, 'start_character': 471, 'end_paragraph_id': 1, 'end_character': 476, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '7391958', 'title': 'Great Divergence', 'start_paragraph_id': 28, 'start_character': 0, 'end_paragraph_id': 28, 'end_character': 749, 'bleu_score': 0.910716395105661, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2203127689782709809}, 'section': 'Section::::Conditions in pre-Great Divergence cores.:China.\n'}]}]