In what dynasty was the Terracotta Army built?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'INTERNAL', 'name_': 'Q148', 'id': 0, 'label': "People's Republic of China"}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q2772772', 'id': 1, 'label': 'military museum'}, {'type': 'INTERNAL', 'name_': 'Q1407142', 'id': 2, 'label': 'Underground Project 131'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q47672', 'id': 3, 'label': 'Terracotta Army'}], 'links': [{'name_': 'P17', 'source': 0, 'target': 0, 'label': 'country'}, {'name_': 'P17', 'source': 2, 'target': 0, 'label': 'country'}, {'name_': 'P31', 'source': 2, 'target': 1, 'label': 'instance of'}, {'name_': 'P17', 'source': 3, 'target': 0, 'label': 'country'}]}