answerEntity: Ptolemy II Philadelphus
graph: {'nodes': [{'type': 'INTERNAL', 'name_': 'Q168261', 'id': 0, 'label': 'Ptolemy I Soter'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q2320005', 'id': 1, 'label': 'Ptolemaic Kingdom'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q39576', 'id': 2, 'label': 'Ptolemy II Philadelphus'}], 'links': [{'name_': 'P27', 'source': 0, 'target': 1, 'label': 'country of citizenship'}, {'name_': 'P40', 'source': 0, 'target': 2, 'label': 'child'}, {'name_': 'P22', 'source': 2, 'target': 0, 'label': 'father'}]}