input question: Umberto Guidoni and Reinhold Ewald, are physicists and, which other occupation????
output answer: astronaut

input question: What comedic actor and country music performer starred in A Gold Mine in the Sky????
output answer: Smiley Burnette

input question: Which Norwegian skater starred in the film Iceland????
output answer: Sonja Henie

input question: William Bradley DuVall, s an American musician, best known as being the current co-vocalist and a rhythm guitarist for the alternative metal band Alice in Chains replacing original vocalist Layne Staley, and he appears on which fifth studio album by the American rock band Alice in Chains, released on May 28, 2013????
output answer: