<Tr> <Td> 1967 </Td> <Td> Thurgood Marshall </Td> <Td> 7000700000000000000 ♠ 7 </Td> </Tr> <Tr> <Td> 1971 </Td> <Td> William H. Rehnquist </Td> <Td> 7000700000000000000 ♠ 7 </Td> </Tr> <Tr> <Td> </Td> <Td> John Paul Stevens </Td> <Td> 7000600000000000000 ♠ 6 </Td> </Tr> <Tr> <Td> 1981 </Td> <Td> Sandra Day O'Connor </Td> <Td> 7001120000000000000 ♠ 12 </Td> </Tr>

When does the senate vote on supreme court justice