answerEntity: Greatest Hits
graph: {'nodes': [{'type': 'INTERNAL', 'name_': 'Q6173448', 'id': 0, 'label': 'Wikipedia:Vital articles/Level/4'}, {'type': 'INTERNAL', 'name_': 'Q145', 'id': 1, 'label': 'United Kingdom'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q1514', 'id': 2, 'label': 'Janis Joplin'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q157719', 'id': 3, 'label': 'Greatest Hits'}], 'links': [{'name_': 'P5008', 'source': 1, 'target': 0, 'label': 'on focus list of Wikimedia project'}, {'name_': 'P17', 'source': 1, 'target': 1, 'label': 'country'}, {'name_': 'P5008', 'source': 2, 'target': 0, 'label': 'on focus list of Wikimedia project'}, {'name_': 'P291', 'source': 3, 'target': 1, 'label': 'place of publication'}]}