Problem: Caviar is traditionally made from the eggs of what type of fish?
Answer: sturgeon

Problem: In August 2005 the robotic rover Spirit explored the surface of what?
Answer: mars

Problem: What is the more common name of the fictional character Simon Templar, star of books by Leslie Charteris, a TV series starring Roger Moore, and a movie starring Val Kilmer?
Answer: saint

Problem: What is the Capital City of Latvia?
Answer:
riga