Question: Which Olympic gold medal-winning amateur boxer is the younger brother of Somrot Kamsing?
Sentence (from "Somluck Kamsing"): Somluck Kamsing (name used in the 1996 Summer Olympics) or Somrak Kamsing (Thai: สมรักษ์ คำสิงห์ ; rtgs: "Somrak Khamsing" ; born January 16, 1973) is a Thai Muay Thai kickboxer and Olympic gold medal-winning amateur boxer.
Relevant evidence: Yes