Question: When did Empress Dowager Fu (Later Zhou)'s father die?
Sentence (from "Fu Yanqing"): né Li Yanqing (李彥卿), courtesy name Guanhou (冠侯), formally the Prince of Wei (魏王), nicknamed Fu Disi (符第四, "the fourth Fu"), was a general of the Chinese Five Dynasties and Ten Kingdoms Period
Relevant evidence: No