<Tr> <Td> Browns </Td> <Td> 7 </Td> <Td> </Td> <Td> 7 </Td> <Td> 17 </Td> <Td> 34 </Td> </Tr> <Ul> <Li> Date: October 15 </Li> <Li> Location: Cleveland Stadium </Li> <Li> Game attendance: 33,774 </Li> </Ul> <Li> Date: October 15 </Li> <Li> Location: Cleveland Stadium </Li>

When was the last time the browns won all their preseason games