Problem: "Who played country singer Johnny Cash in the film ""Walk the Line""?"
======
A: joaquin phoenix

Problem: What festival is known as Yom Kippur?
======
A: day of atonement

Problem: Which composer wrote the opera 'The Flying Dutchman'?
======
A: richard wagner

Problem: "A ""Howitzer"" is a type of what?"
======
A:
gun