<Tr> <Td> 1929 Opening Day </Td> <Td> Herbert Hoover </Td> <Td> Griffith Stadium </Td> <Td> </Td> </Tr> <Tr> <Td> 1929 World Series </Td> <Td> Herbert Hoover </Td> <Td> Shibe Park </Td> <Td> Game 5, October 14 . </Td> </Tr> <Tr> <Td> 1930 Opening Day </Td> <Td> Herbert Hoover </Td> <Td> Griffith Stadium </Td> <Td> </Td> </Tr> <Tr> <Td> 1930 World Series </Td> <Td> Herbert Hoover </Td> <Td> Shibe Park </Td> <Td> </Td> </Tr>

Who threw out the first pitch for the washington nationals