Which U.S. president has been portrayed by singer James Maddalena in an opera that premiered in Houston in 1987, by actor Frank Langella in a play that premiered in London in 2006, and by actor Billy West in an animated series that premiered in 1999?

Of the nine major league baseball players who appeared in the 1992 episode of The Simpsons titled “Homer at the Bat,” three of them have been elected to the Baseball Hall of Fame. Name two of those three players.