Who was Egypt's president before Abdel Fattah el-Sisi?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'INTERNAL', 'name_': 'Q6581097', 'id': 0, 'label': 'male'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q79', 'id': 1, 'label': 'Egypt'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q307871', 'id': 2, 'label': 'Abdel Fattah el-Sisi'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q4631', 'id': 3, 'label': 'Mohamed Morsi'}], 'links': [{'name_': 'P21', 'source': 2, 'target': 0, 'label': 'sex or gender'}, {'name_': 'P27', 'source': 2, 'target': 1, 'label': 'country of citizenship'}, {'name_': 'P21', 'source': 3, 'target': 0, 'label': 'sex or gender'}, {'name_': 'P27', 'source': 3, 'target': 1, 'label': 'country of citizenship'}]}