<Tr> <Td> 28 </Td> <Td> Martina Navratilova </Td> <Td> USA </Td> <Td> Women's Doubles </Td> <Td> 7 </Td> <Td> 1988 </Td> <Td> 1988 </Td> <Td> 1986 </Td> <Td> </Td> </Tr> <Tr> <Td> 29 </Td> <Td> Pam Shriver </Td> <Td> USA </Td> <Td> Women's Doubles </Td> <Td> </Td> <Td> 1985 </Td> <Td> 1988 </Td> <Td> 1984 </Td> <Td> </Td> </Tr> <Tr> <Td> 35 </Td> <Td> Natasha Zvereva </Td> <Td> BLR </Td> <Td> Women's Doubles </Td> <Td> </Td> <Td> 1997 </Td> <Td> 1993 </Td> <Td> 1993 </Td> <Td> 1995 </Td> </Tr> <Tr> <Td> 12 </Td> <Td> Margaret Court </Td> <Td> AUS </Td> <Td> Women's Doubles </Td> <Td> </Td> <Td> 1962 </Td> <Td> 1965 </Td> <Td> 1969 </Td> <Td> 1968 </Td> </Tr>

Who won 4 grand slam in one year