Given a broad category, generate a trivia-type question based on a specific entity in that category. The question should be non-ambiguous. External resources such as Wikipedia could be used to obtain the facts.
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Question: dining

Answer: May 15, 1940 saw the first restaurant in what fast food franchise, now the worlds largest, open in San Bernadino, Ca?


Question: celebrities

Answer: Which of the core cast of the TV series Friends also appeared in the 2000 film The Whole Nine Yards with Bruce Willis?


Question: chemistry

Answer:
Flourine, Bromine, Iodine and Chlorine are all what type of elements?