TASK DEFINITION: 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.
PROBLEM: Context : Summer is the mother of his twin children: a son, Dirk Pitt, Jr., and a daughter, Summer Pitt. 
Subject : Dirk Pitt 
Relation : conflict

SOLUTION: In which war did Dirk Pitt fight?

PROBLEM: Context : ISO 3166-2:BI is the entry for Burundi in ISO 3166-2, part of the ISO 3166 standard published by the International Organization for Standardization (ISO), which defines codes for the names of the principal subdivisions (e.g., provinces or states) of all countries coded in ISO 3166-1. 
Subject : ISO 3166-2:BI 
Relation : standards body

SOLUTION: Who set the standards for ISO 3166-2:BI?

PROBLEM: Context : Keyhole Markup Language (KML) is an XML notation for expressing geographic annotation and visualization within Internet-based, two-dimensional maps and three-dimensional Earth browsers. 
Subject : Keyhole Markup Language 
Relation : based on

SOLUTION:
The Keyhole Markup Language is based upon what?