<Tr> <Td> 2017 </Td> <Td> Twenty One Pilots </Td> <Td> Best International Rock / Pop Group </Td> <Td> Nominated </Td> </Tr> <Tr> <Td> Twenty One Pilots </Td> <Td> Best International Newcomer </Td> <Td> Nominated </Td> </Tr> <Table> <Tr> <Th> Year </Th> <Th> Nominee / work </Th> <Th> Award </Th> <Th> Result </Th> </Tr> <Tr> <Td> 2017 </Td> <Td> "Stressed Out" </Td> <Td> Record of the Year </Td> <Td> Nominated </Td> </Tr> <Tr> <Td> Best Pop Duo / Group Performance </Td> <Td> Won </Td> </Tr> <Tr> <Td> "Heathens" </Td> <Td> Best Rock Performance </Td> <Td> Nominated </Td> </Tr> </Table> <Tr> <Th> Year </Th> <Th> Nominee / work </Th> <Th> Award </Th> <Th> Result </Th> </Tr>

When did twenty one pilots win a grammy