Q: 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.
Context : Yuchi Chifan (Chinese: ) or Yuchi Fanchi (Chinese: ) (566--595), later Buddhist nun name Huashou (), was a concubine of Emperor Xuan of Northern Zhou, an emperor of the Chinese/Xianbei dynasty Northern Zhou.
Answer : Emperor Xuan of Northern Zhou
A:
What is Yuchi Chifan's spouse's name?