<Table> Tennessee gubernatorial election, 2018 <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Td_colspan="2"> <Table> <Tr> <Td> ← 2014 </Td> <Td> November 6, 2018 </Td> <Td> 2022 → </Td> </Tr> </Table> </Td> </Tr> <Tr> <Td_colspan="2"> <P> </P> <Table> <Tr> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Th> Nominee </Th> <Td> Bill Lee </Td> <Td> Karl Dean </Td> <Td> </Td> </Tr> <Tr> <Th> Party </Th> <Td> Republican </Td> <Td> Democratic </Td> </Tr> </Table> </Td> </Tr> <Tr> <Td_colspan="2"> <Table> <Tr> <Td> Incumbent Governor <P> Bill Haslam Republican </P> </Td> <Td> <P> </P> </Td> </Tr> </Table> </Td> </Tr> </Table> <Tr> <Td_colspan="2"> <Table> <Tr> <Td> ← 2014 </Td> <Td> November 6, 2018 </Td> <Td> 2022 → </Td> </Tr> </Table> </Td> </Tr>

Who are the democratic candidates running for governor in tennessee