<Tr> <Th> Conference with most appearances </Th> <Td> SEC (5) </Td> </Tr> <Tr> <Th> Conference with most game wins </Th> <Td> SEC (6) </Td> </Tr> <Tr> <Th> Conference with most championships </Th> <Td> SEC (2) </Td> </Tr> <Tr> <Th> Last championship game </Th> <Td> 2018 College Football Playoff National Championship </Td> </Tr>

When is the college football playoff teams decided