Question: When did Học Phi Nguyễn Thị Hương's husband die?
Sentence (from "Tự Đức"): Tự Đức (lit. "inheritance of virtues", 22 September 1829 – 17 July 1883) (personal name: Nguyễn Phúc Hồng Nhậm , also Nguyễn Phúc Thì) was the fourth emperor of the Nguyễn dynasty of Vietnam; he ruled from 1847 to 1883.
Relevant evidence: Yes