Who is Queen Elizabeth's first child?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'INTERNAL', 'name_': 'Q145', 'id': 0, 'label': 'United Kingdom'}, {'type': 'INTERNAL', 'name_': 'Q781', 'id': 1, 'label': 'Antigua and Barbuda'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q9682', 'id': 2, 'label': 'Elizabeth II'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q26869636', 'id': 3, 'label': 'monarch of Antigua and Barbuda'}], 'links': [{'name_': 'P17', 'source': 0, 'target': 0, 'label': 'country'}, {'name_': 'P47', 'source': 0, 'target': 1, 'label': 'shares border with'}, {'name_': 'P35', 'source': 0, 'target': 2, 'label': 'head of state'}, {'name_': 'P47', 'source': 1, 'target': 0, 'label': 'shares border with'}, {'name_': 'P17', 'source': 1, 'target': 1, 'label': 'country'}, {'name_': 'P1906', 'source': 1, 'target': 3, 'label': 'office held by head of state'}, {'name_': 'P1001', 'source': 3, 'target': 1, 'label': 'applies to jurisdiction'}]}