An answer is given. Generate a question for which the given answer is either a direct or partial answer.

Example input: Answer: victoria woodhull
Example output: who was the first women to run for presidency in the us?
Example explanation: The given answer directly answers the generated question
Q: Answer: william ii of england
A:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
who was william rufus' youngest brother?