Question: What is the date of death of Consort Niu's husband?
Sentence (from "Emperor Shunzong of Tang"): During his short reign, Emperor Shunzong and his close associates Wang Shuwen and Wang Pi employed individuals such as Liu Zongyuan, Liu Yuxi, Han Ye (韓瞱), and Han Tai (韓泰), in trying to reform and rejuvenate the administration.
Relevant evidence: No