<Tr> <Td> 1979 </Td> <Td> Paul Lowe </Td> <Td> RB </Td> <Td> 1960--1968 </Td> <Td> 23 </Td> <Td> </Td> </Tr> <Tr> <Td> 1980 </Td> <Td> Barron Hilton </Td> <Td> Majority owner </Td> <Td> 1960--1966 </Td> <Td>--</Td> <Td> </Td> </Tr> <Tr> <Td> Keith Lincoln </Td> <Td> RB </Td> <Td> 1961--1968 </Td> <Td> 22 </Td> <Td> </Td> </Tr> <Tr> <Td> 1981 </Td> <Td> Ernie Ladd </Td> <Td> DT </Td> <Td> 1961--1965 </Td> <Td> 77 </Td> <Td> </Td> </Tr>

How many hall of famers do the chargers have