Question: What title was held by the man who was thought to have died at the Battle of Stamford Bridge, who also spent 15 years in exile?
Sentence (from "Kyaw Min Yu"): Kyaw Min Yu (Burmese: ကျော်မင်းယု , also known as Ko Jimmy) is a former Burmese political prisoner and a member of the 88 Generation Students Group.
Relevant evidence: No