What was the name of the first Johnny Cash album?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'QUESTIONS_ENTITY', 'name_': 'Q42775', 'id': 0, 'label': 'Johnny Cash'}, {'type': 'INTERNAL', 'name_': 'Q19618320', 'id': 1, 'label': 'Kathy Cash'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q7937736', 'id': 2, 'label': 'Vivian Liberto'}], 'links': [{'name_': 'P22', 'source': 1, 'target': 0, 'label': 'father'}, {'name_': 'P25', 'source': 1, 'target': 2, 'label': 'mother'}]}