Problem: What is the 2015 population of the city in which Silberturm was located.

A: 732,688

Problem: Who produced the movie in which Wallace Shawn voiced Rex?

A: Pixar Animation Studios

Problem: In what year was the concentration camp that Mary Kessell visited in Germany established?

A: 1943

Problem: Are Moscow Watchdog and Plummer Terrier both breeds of dog?

A:
yes