Misc: An Elephant's trunk can hold over _____ litres of water?

Questions

Whose ghost haunted Scrooge with clanking chains & wierd sounds?

Whose motto is "we learn by doing?

Whose tees are closer to the green in golf men's or women's?

Wild Bill Hickok was shot in the back by a stranger during a poker game. The hand he was holding aces & eights is known to poker players as what?

With which sport is Michael Andretti identified?