Given an trivia question precisely answer the question with a word/phrase/name. External resources such as Wikipedia could be used to obtain the facts.

Having originated in Germany, what is the name of the dog breed that competes in the eponymous wiener dog races?
dachshund

Broadcast on live TV, what Dallas nightclub owner shot and killed total asshat Lee Harvey Oswald?
jack ruby

What one of these is a metallic chemical element Brass, Barium, Steel, Sterling Silver, Pewter?

barium