Here are some more interesting statistics about the U.S. Olympic Team:
Q: Which U.S. Olympian is the oldest women to ever appear in the Olympics?
A: U.S. Army Staff Sargeant Libby Callahan, in the shooting squad at age 56.
Q: Which member of Team USA is the first woman to qualify for three different Olympic sports?
A: Sheila Taormina, in the pentathlon event (having competed in triathlon and swimming previously).
And here's an easy one: Three siblings are appearing on Team USA for the first time since 1904 -- who are they?
A: The Lopez taekwondo athletes (Mark, Diana, and Steven).
Much, much more trivia is on the way...