<Tr> <Td> Colby College / Boston Globe </Td> <Td> September 4--10, 2016 </Td> <Td> 779 </Td> <Td> ± 3.6% </Td> <Td> 59% </Td> <Td> 37% </Td> <Td>--</Td> <Td> 4% </Td> </Tr> <Tr> <Td> University of New Hampshire </Td> <Td> June 15--21, 2016 </Td> <Td> 467 </Td> <Td> ± 4.5% </Td> <Td> 63% </Td> <Td> 29% </Td> <Td> 3% </Td> <Td> 5% </Td> </Tr> <Table> United States Senate election in Maine, 2018 <Tr> <Th_colspan="2"> Party </Th> <Th> Candidate </Th> <Th> Votes </Th> <Th>% </Th> <Th> ± </Th> </Tr> <Tr> <Td> </Td> <Td> Independent </Td> <Td> Angus King (incumbent) </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> Republican </Td> <Td> Eric Brakey </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> </Td> <Td> Democratic </Td> <Td> Zak Ringelstein </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Th_colspan="3"> Majority </Th> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Th_colspan="3"> Turnout </Th> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Party </Th> <Th> Candidate </Th> <Th> Votes </Th> <Th>% </Th> <Th> ± </Th> </Tr>

Who is running for senate in maine 2018
find me the text answering this question