<Table> <Tr> <Th_colspan="2"> 2017 World Figure Skating Championships </Th> </Tr> <Tr> <Td_colspan="2"> Pair skating medalists at the 2017 World Championships in Helsinki </Td> </Tr> <Tr> <Th> Type: </Th> <Td> ISU Championship </Td> </Tr> <Tr> <Th> Date: </Th> <Td> 29 March--2 April 2017 </Td> </Tr> <Tr> <Th> Season: </Th> <Td> 2016--17 </Td> </Tr> <Tr> <Th> Location: </Th> <Td> Helsinki, Finland </Td> </Tr> <Tr> <Th> Host: </Th> <Td> Finnish Figure Skating Association </Td> </Tr> <Tr> <Th> Venue: </Th> <Td> Hartwall Arena </Td> </Tr> <Tr> <Th_colspan="2"> Champions </Th> </Tr> <Tr> <Td_colspan="2"> Men's singles: Yuzuru Hanyu </Td> </Tr> <Tr> <Td_colspan="2"> Ladies' singles: Evgenia Medvedeva </Td> </Tr> <Tr> <Td_colspan="2"> Pair skating: Sui Wenjing / Han Cong </Td> </Tr> <Tr> <Td_colspan="2"> Ice dancing: Tessa Virtue / Scott Moir </Td> </Tr> <Tr> <Th_colspan="2"> Navigation </Th> </Tr> <Tr> <Td_colspan="2"> Previous: 2016 World Championships </Td> </Tr> <Tr> <Td_colspan="2"> Next: 2018 World Championships </Td> </Tr> </Table> <Tr> <Th_colspan="2"> 2017 World Figure Skating Championships </Th> </Tr>

Who won the 2017 world figure skating championships
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