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.

[Q]: 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
[A]: What war or battle did Mason Carter fight in?

[Q]: Context : Sheikha Shamsa bint Suhail Al Mazrouei (Arabic: ) is the first wife of current President of the United Arab Emirates, Emir (ruler) of Abu Dhabi, HH Sheikh Khalifa bin Zayed Al Nahyan.
Subject : Shamsa bint Suhail Al Mazrouei
Relation : spouse
[A]: What is Shamsa bint Suhail Al Mazrouei's spouse's name?

[Q]: Context : Tostao represented Brazil in two World Cups, winning the tournament in 1970.
Subject : Tostao
Relation : residence
[A]:
What city is Tostao from?