You will be given a context, a subject and a relation. Your task is to generate a question based on the subject and relation. The generated question should include the given subject. Try to use a minimum number of words that are not present in either context, subject or relation while generating question.

Context : Iain MacKintosh (20 July 1932 - 28 August 2006, Glasgow, Scotland) was a Scottish singer and songwriter.
Subject : Iain MacKintosh
Relation : medical condition
What led to Iain MacKintosh's death?

Context : Hans-Henning von Folkersamb died in 1984, in Tutzing, Germany.
Subject : Hans-Henning von Folkersamb
Relation : military branch
Which armed forces utilised the service of Hans-Henning von Folkersamb?

Context : Ishi died of tuberculosis on March 25, 1916.
Subject : Ishi
Relation : medical condition
What caused Ishi's death?