Who formed AC/DC?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'QUESTIONS_ENTITY', 'name_': 'Q27593', 'id': 0, 'label': 'AC/DC'}, {'type': 'INTERNAL', 'name_': 'Q722574', 'id': 1, 'label': 'AC/DC: Let There Be Rock'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q318694', 'id': 2, 'label': 'Cliff Williams'}], 'links': [{'name_': 'P175', 'source': 1, 'target': 0, 'label': 'performer'}, {'name_': 'P161', 'source': 1, 'target': 2, 'label': 'cast member'}]}