answerEntity: The Nile River Basin
graph: {'nodes': [{'type': 'QUESTIONS_ENTITY', 'name_': 'Q79', 'id': 0, 'label': 'Egypt'}, {'type': 'INTERNAL', 'name_': 'Q29543629', 'id': 1, 'label': 'Short contribution: Nile flow failure at the end of the Old Kingdom, Egypt: Strontium isotopic and petrologic evidence'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q62639089', 'id': 2, 'label': 'The Nile River Basin'}], 'links': [{'name_': 'P17', 'source': 0, 'target': 0, 'label': 'country'}, {'name_': 'P921', 'source': 1, 'target': 0, 'label': 'main subject'}, {'name_': 'P2860', 'source': 2, 'target': 1, 'label': 'cites work'}]}