Question: When did Queen Dowager Shi's husband die?
Sentence (from "Yang Xingmi"): (although Yang Xingmi would be the first ruler in his line to receive the title of Prince of Wu, it was a Tang-bestowed title and did not denote independence of the state), including most of modern Jiangsu and Anhui and parts of modern Jiangxi and Hubei.
Relevant evidence: No