Who is the lead singer of Metallica?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'QUESTIONS_ENTITY', 'name_': 'Q15920', 'id': 0, 'label': 'Metallica'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q484302', 'id': 1, 'label': 'James Hetfield'}], 'links': [{'name_': 'P112', 'source': 0, 'target': 1, 'label': 'founded by'}, {'name_': 'P463', 'source': 1, 'target': 0, 'label': 'member of'}]}
James Hetfield founded the band Metallica and is a member of the band.
James Hetfield was a member of the band , Metallica .
Who is the lead singer of Metallica?</s> [unused1]James Hetfield                [unused2] founded the band Metallica and is a member of the band.
Who is the lead singer of Metallica?</s>James Hetfield founded the band Metallica and is a member of the band.
Who is the lead singer of Metallica?</s> [unused1]James Hetfield                [unused2] was a member of the band , Metallica .
Who is the lead singer of Metallica?</s>James Hetfield was a member of the band , Metallica .
Who is the lead singer of Metallica?</s>Metallica,0,Metallica,Metallica,founded by,[unused1]James Hetfield[unused2],[unused1]James Hetfield[unused2],member of,Metallica,[unused1]James Hetfield[unused2],0,[unused1]James Hetfield[unused2]
Who is the lead singer of Metallica?</s>Metallica,0,Metallica,Metallica,founded by,James Hetfield,James Hetfield,member of,Metallica,James Hetfield,0,James Hetfield