Question: When did Gong Deok-Gwi's husband die?
Sentence (from "Yun Posun"): Yun Posun (or ; August 26, 1897 – July 18, 1990) was a South Korean politician and Korean independence activist, who served as President of South Korea from 1960 to 1962 before being replaced by the long-serving Park Chung-hee as a result of the May 16 coup in 1961.
Relevant evidence: Yes