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 : Ernst Podder VR I/1 (February 10, 1879 Aleksandri Parish, Vorumaa, Estonia - June 24, 1932 Tallinn, Estonia) was a famous Estonian military commander in the Estonian War of Independence.
Subject : Ernst Podder
Relation : conflict
What conflict involved Ernst Podder?

Context : Margie Velma Barfield (nee Margie Velma Bullard) (October 29, 1932 -- November 2, 1984) was an American serial killer, convicted of one murder, but she eventually confessed to six murders.
Subject : Velma Barfield
Relation : convicted of
Which crime led to the conviction of Velma Barfield?

Context : Dann Cahn's father, Philip Cahn, tried ranching in North Hollywood on a 2-acre (8,100 m2) piece of property that he bought with proceeds he had saved and money earned from his wife Gertrude's dress shop (''Gertrude's'' on Hollywood Boulevard).
Subject : Dann Cahn
Relation : conflict
In what war did Dann Cahn fight?