<Li> Brad Trost, Conservative Party of Canada MP for Saskatoon--University, Saskatchewan (2015--present), had represented Saskatoon--Humboldt, Saskatchewan (2004--2015), and was appointed Official Opposition Critic for Canada - U.S. Relations (2015--2016) following the 2015 election . 2017 federal Conservative Party leadership candidate . endorsed Cheveldayoff </Li> <P> Saskatchewan Party Supporters </P> <Table> <Tr> <Th> Polling firm </Th> <Th> Last date of polling </Th> <Th> Sample size </Th> <Th> Tina Beaudry - Mellor </Th> <Th> Ken Cheveldayoff </Th> <Th> Alanna Koch </Th> <Th> Scott Moe </Th> <Th> Gordon Wyant </Th> </Tr> <Tr> <Td> Poletical </Td> <Td> November 2017 </Td> <Td> 394 </Td> <Td> 16% </Td> <Td> 45% </Td> <Td> 19% </Td> <Td> 15% </Td> <Td> 10% </Td> </Tr> </Table> <Tr> <Th> Polling firm </Th> <Th> Last date of polling </Th> <Th> Sample size </Th> <Th> Tina Beaudry - Mellor </Th> <Th> Ken Cheveldayoff </Th> <Th> Alanna Koch </Th> <Th> Scott Moe </Th> <Th> Gordon Wyant </Th> </Tr>

Who is leading the sask party leadership race