Question: When did Tsai Hong-Tu's father die?
Sentence (from "Tsai Wan-lin"): Tsai Wan-lin (10 November 1924 – 27 September 2004) was a Taiwanese businessman who, at the peak of his wealth in 1996, was considered to be the fifth richest person in the world, with a family net worth of US$12.2 billion.
Relevant evidence: Yes