<Tr> <Td> Princeton University </Td> <Td> 3.88 </Td> </Tr> <Tr> <Td> Harvard University </Td> <Td> 3.80 </Td> </Tr> <Tr> <Td> Yale University </Td> <Td> 3.80 </Td> </Tr> <Tr> <Td> Columbia University </Td> <Td> 3.74 </Td> </Tr>

What is the number 1 university in the us