answerEntity: ABBA
graph: {'nodes': [{'type': 'INTERNAL', 'name_': 'Q34', 'id': 0, 'label': 'Sweden'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q20878491', 'id': 1, 'label': 'number-one hit'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q286672', 'id': 2, 'label': 'ABBA'}, {'type': 'INTERNAL', 'name_': 'Q8597950', 'id': 3, 'label': 'Category:Lists of number-one songs in Sweden'}], 'links': [{'name_': 'P17', 'source': 0, 'target': 0, 'label': 'country'}, {'name_': 'P291', 'source': 2, 'target': 0, 'label': 'place of publication'}, {'name_': 'P971', 'source': 3, 'target': 0, 'label': 'category combines topics'}, {'name_': 'P971', 'source': 3, 'target': 1, 'label': 'category combines topics'}]}