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 : Mason Carter (January 26, 1834 -- December 11, 1909) was a U.S. Army officer who served in the American Civil War and the Indian Wars during the late 19th century. 
Subject : Mason Carter 
Relation : conflict
What war or battle did Mason Carter fight in?

Context : Mary Noel Streatfeild OBE (24 December 1895 --11 September 1986), was an English author, best known for children's books including the ``Shoes'' books, which were not a series. 
Subject : Noel Streatfeild 
Relation : award received
What was the award received by Noel Streatfeild?

Context : Bridge of Souls is the third book in The Quickening written by Fiona McIntosh. 
Subject : Bridge of Souls 
Relation : series

Which series is Bridge of Souls apart of?