<Tr> <Td> Billie Jean King </Td> <Td> 6 </Td> <Td> 6 </Td> <Td> 6 </Td> </Tr> <Tr> <Td> Bobby Riggs </Td> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Th> Date </Th> <Td> September 20, 1973 </Td> </Tr> <Tr> <Th> Location </Th> <Td> Astrodome Houston, Texas </Td> </Tr>

Who won the tennis match with billie jean