Along with the épée and the sabre, what is the third weapon used in Olympic fencing?

Which 17-year-old rock star died on February 3, 1959, in the plane crash that also killed Buddy Holly and the Big Boppe… The jejunum and ileum are two sections of the small intestine. What is the first section? Besides Ecuador and Brazil, which South American country does the equator cross? Which of these sitcoms was a spin-off of "The Mary Tyler Moore Show"? Along with rattlesnakes and copperheads, which venomous pit viper is native to the United States? Which actor won an Oscar for his role in 1974's "The Godfather Part II"? Which of these countries borders Thailand? Oddly, which country's flag was NOT among the four displayed on the summit of Mount Everest on May 29, 1953?