What was the second Led Zepplin album called?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'QUESTIONS_ENTITY', 'name_': 'Q2331', 'id': 0, 'label': 'Led Zeppelin'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q190243', 'id': 1, 'label': 'John Paul Jones'}], 'links': [{'name_': 'P463', 'source': 1, 'target': 0, 'label': 'member of'}]}