How many children did Napoleon Bonaparte have?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'QUESTIONS_ENTITY', 'name_': 'Q517', 'id': 0, 'label': 'Napoleon'}, {'type': 'INTERNAL', 'name_': 'Q155545', 'id': 1, 'label': 'Eugène de Beauharnais'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q286802', 'id': 2, 'label': 'Émilie Pellapra'}], 'links': [{'name_': 'P1038', 'source': 1, 'target': 0, 'label': 'relative'}, {'name_': 'P3373', 'source': 1, 'target': 2, 'label': 'sibling'}, {'name_': 'P3373', 'source': 2, 'target': 1, 'label': 'sibling'}]}