You will be given a definition of a task first, then some input of the task.
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 : According to Procopius, coins of Bawi were minted during the reign of Kavadh I (r. 488-496, 499-531) due to the marriage of the latter with his sister, and, therefore, he became the uncle of the future king Khosrau I (r. 531-579).
Subject : Bawi
Relation : conflict
Output:
Which historic war did Bawi participate?