Who was Egypt's president before Abdel Fattah el-Sisi?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'QUESTIONS_ENTITY', 'name_': 'Q79', 'id': 0, 'label': 'Egypt'}, {'type': 'INTERNAL', 'name_': 'Q14015402', 'id': 1, 'label': 'Hazem Beblawi Ministry'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q307871', 'id': 2, 'label': 'Abdel Fattah el-Sisi'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q13593432', 'id': 3, 'label': 'Adly Mansour'}], 'links': [{'name_': 'P17', 'source': 1, 'target': 0, 'label': 'country'}, {'name_': 'P35', 'source': 1, 'target': 3, 'label': 'head of state'}, {'name_': 'P27', 'source': 2, 'target': 0, 'label': 'country of citizenship'}]}