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.
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Question: What country is home to Kenai Fjords National Park?

Answer: united states


Question: What was the location of London's famous 17th century 'Frost Fairs'?

Answer: river thames


Question: In which 1925 silent film, directed by Fred Niblo, were extras offered a prize of $100 to the winner to make a race more exciting, resulting in a horrendous crash that remains in the movie?

Answer:
ben-hur