<Table> <Tr> <Th_colspan="3"> Three Rivers Stadium, Pittsburgh--A.L. 17, N.L. 11 </Th> </Tr> <Tr> <Th> Player </Th> <Th> Team </Th> <Th> Home runs </Th> </Tr> <Tr> <Th_colspan="3"> American League </Th> </Tr> <Tr> <Td> Ken Griffey Jr . </Td> <Td> Seattle </Td> <Td> 7 </Td> </Tr> <Tr> <Td> Rubén Sierra </Td> <Td> Oakland </Td> <Td> </Td> </Tr> <Tr> <Td> Frank Thomas </Td> <Td> Chicago </Td> <Td> </Td> </Tr> <Tr> <Td> Albert Belle </Td> <Td> Cleveland </Td> <Td> </Td> </Tr> <Tr> <Th_colspan="3"> National League </Th> </Tr> <Tr> <Td> Fred McGriff </Td> <Td> Atlanta </Td> <Td> 5 </Td> </Tr> <Tr> <Td> Jeff Bagwell </Td> <Td> Houston </Td> <Td> </Td> </Tr> <Tr> <Td> Dante Bichette </Td> <Td> Colorado </Td> <Td> </Td> </Tr> <Tr> <Td> Mike Piazza </Td> <Td> Los Angeles </Td> <Td> 0 </Td> </Tr> </Table> <Tr> <Th_colspan="3"> Three Rivers Stadium, Pittsburgh--A.L. 17, N.L. 11 </Th> </Tr> <Tr> <Th> Player </Th> <Th> Team </Th> <Th> Home runs </Th> </Tr> <Tr> <Th_colspan="3"> American League </Th> </Tr>

When did david ortiz won the homerun derby