<Tr> <Td_colspan="2"> <P> League championships (5) </P> <Ul> <Li> Super Bowl championships (5) 1971 (VI), 1977 (XII), 1992 (XXVII), 1993 (XXVIII), 1995 (XXX) </Li> </Ul> </Td> </Tr> <P> League championships (5) </P> <Ul> <Li> Super Bowl championships (5) 1971 (VI), 1977 (XII), 1992 (XXVII), 1993 (XXVIII), 1995 (XXX) </Li> </Ul> <Li> Super Bowl championships (5) 1971 (VI), 1977 (XII), 1992 (XXVII), 1993 (XXVIII), 1995 (XXX) </Li>

When was the last super bowl dallas cowboys won