Question: When did Robin Chan (Businessman)'s father die?
Sentence (from "Robin Chan (businessman)"): Robin Chan Yau-hing, GBM, GBS, JP (born 1932, Chiuyang, Swatow, Kwangtung, Republic of China) also known as Chen Youqing , or Rabin Sophonpanich  is the eldest son of Chin Sophonpanich (founder and former president of Bangkok Bank), and serves as the chairman of the Asia Financial Group.
Relevant evidence: Yes