Question: Why did Yuk Young-Soo's husband die?
Sentence (from "Yuk Young-soo"): Yuk Young-soo (November 29, 1925 – August 15, 1974) was the wife of the 3rd South Korean president Park Chung-hee and the mother of the 11th South Korean president Park Geun-hye.
Relevant evidence: Yes