Which Led Zeppelin album was not released prior to 1980?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q186472', 'id': 0, 'label': 'folk rock'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q2331', 'id': 1, 'label': 'Led Zeppelin'}], 'links': [{'name_': 'P136', 'source': 1, 'target': 0, 'label': 'genre'}]}
Led Zeppelin's musical genre is folk rock.
Led Zeppelin is a performer of folk rock .
Which Led Zeppelin album was not released prior to 1980?</s>Led Zeppelin's musical genre is [unused1]folk rock                [unused2] .
Which Led Zeppelin album was not released prior to 1980?</s>Led Zeppelin's musical genre is folk rock.
Which Led Zeppelin album was not released prior to 1980?</s>Led Zeppelin is a performer of [unused1]folk rock                [unused2] .
Which Led Zeppelin album was not released prior to 1980?</s>Led Zeppelin is a performer of folk rock .
Which Led Zeppelin album was not released prior to 1980?</s>[unused1]folk rock[unused2],0,[unused1]folk rock[unused2],[unused1]folk rock[unused2],0,Led Zeppelin,Led Zeppelin,genre,[unused1]folk rock[unused2],Led Zeppelin,0,Led Zeppelin
Which Led Zeppelin album was not released prior to 1980?</s>folk rock,0,folk rock,folk rock,0,Led Zeppelin,Led Zeppelin,genre,folk rock,Led Zeppelin,0,Led Zeppelin