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.
One example: boat
Solution is here: In 1907, which ill-fated liner of the Cunard Line made its maiden voyage?
Explanation: The question is asking about a boat/ship.

Now, solve this: law
Solution:
What is Buckminster Fuller famous for designing?