Question: who founded the first real centralized empire in china
[{'answer': 'First Qin Emperor', 'provenance': [{'wikipedia_id': '5760', 'title': 'History of China', 'start_paragraph_id': 43, 'start_character': 140, 'end_paragraph_id': 43, 'end_character': 157, 'bleu_score': 1.0, 'section': 'Section::::Imperial China.:Qin dynasty (221–207 BC).\n'}]}, {'provenance': [{'wikipedia_id': '5760', 'title': 'History of China', 'start_paragraph_id': 43, 'start_character': 0, 'end_paragraph_id': 43, 'end_character': 909, 'bleu_score': 0.9658617397397251, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6966110319723097621}, 'section': 'Section::::Imperial China.:Qin dynasty (221–207 BC).\n'}]}]