Question: who ordered the terracotta army to be built
[{'answer': 'Emperor Qin', 'provenance': [{'wikipedia_id': '148653', 'title': 'Terracotta Army', 'start_paragraph_id': 4, 'start_character': 212, 'end_paragraph_id': 4, 'end_character': 223, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '148653', 'title': 'Terracotta Army', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 1511, 'bleu_score': 0.958749010620034, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1770824318937417510}, 'section': 'Section::::History.\n'}]}]