Who was the first heavy metal band?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'QUESTIONS_ENTITY', 'name_': 'Q56816954', 'id': 0, 'label': 'heavy metal band'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q2733646', 'id': 1, 'label': 'list of heavy metal bands'}], 'links': [{'name_': 'P2354', 'source': 0, 'target': 1, 'label': 'has list'}, {'name_': 'P360', 'source': 1, 'target': 0, 'label': 'is a list of'}]}
The list of heavy metal bands is a list of heavy metal bands.
The list of heavy metal bands includes the following :Heavy metal band .
Who was the first heavy metal band?</s>The [unused1]list of heavy metal bands                [unused2] is a
Who was the first heavy metal band?</s>The list of heavy metal bands is a list of heavy metal bands.
Who was the first heavy metal band?</s>The [unused1]list of heavy metal bands                [unused2] includes the following :Heavy metal band .
Who was the first heavy metal band?</s>The list of heavy metal bands includes the following :Heavy metal band .
Who was the first heavy metal band?</s>heavy metal band,0,heavy metal band,heavy metal band,has list,[unused1]list of heavy metal bands[unused2],[unused1]list of heavy metal bands[unused2],is a list of,heavy metal band,[unused1]list of heavy metal bands[unused2],0,[unused1]list of heavy metal bands[unused2]
Who was the first heavy metal band?</s>heavy metal band,0,heavy metal band,heavy metal band,has list,list of heavy metal bands,list of heavy metal bands,is a list of,heavy metal band,list of heavy metal bands,0,list of heavy metal bands