<Tr> <Td> Oklahoma </Td> <Td> 11--1 </Td> <Td> Barry Switzer </Td> <Td> AP, B (QPRS), BR, CFRA, DeS, DuS, FN, FWAA, NCF, NFF, NYT, R (FACT), SN, UPI, USAT / CNN </Td> <Td> </Td> </Tr> <Tr> <Td> 1986 </Td> <Td> Miami (FL) </Td> <Td> 11--1 </Td> <Td> Jimmy Johnson </Td> <Td> R (FACT) </Td> <Td> </Td> </Tr> <Tr> <Td> Oklahoma </Td> <Td> 11--1 </Td> <Td> Barry Switzer </Td> <Td> B (QPRS), CFRA, DeS, DuS, NYT, SR </Td> <Td> </Td> </Tr> <Tr> <Td> Penn State </Td> <Td> 12--0 </Td> <Td> Joe Paterno </Td> <Td> AP, BR, FN, FWAA, MGR, NCF, NFF, R (FACT), SN, SR, UPI, USAT / CNN </Td> <Td> </Td> </Tr>

Who won the last 10 national championships in college football