Instructions: Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.
Input: Context : (A rumor at that time -- later claimed to be true by Wang Yanhan's adoptive brother Wang Yanbing -- was that Wang Shenzhi was poisoned by Wang Yanhan's wife Lady Cui, but it cannot be known whether the rumor was true.)
Answer : Lady Cui
Output:
What is Wang Yanhan's spouse's name?