Question: When did Hu Yepin's wife die?
Sentence (from "Ding Ling"): Ding Ling (October 12, 1904 – March 4, 1986), formerly romanized as Ting Ling, was the pen name of Jiang Bingzhi , also known as Bin Zhi (彬芷 "Bīn Zhǐ"), one of the most celebrated 20th-century Chinese authors.
Relevant evidence: Yes