What was the name of the first Johnny Cash album?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q9759', 'id': 0, 'label': 'blues'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q42775', 'id': 1, 'label': 'Johnny Cash'}, {'type': 'INTERNAL', 'name_': 'Q3511646', 'id': 2, 'label': 'One Piece at a Time'}], 'links': [{'name_': 'P136', 'source': 2, 'target': 0, 'label': 'genre'}, {'name_': 'P175', 'source': 2, 'target': 1, 'label': 'performer'}]}