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 : The Russian government merged Tupolev with Mikoyan, Ilyushin, Irkut, Sukhoi, and Yakovlev as a new company named United Aircraft Corporation. 
Subject : Tupolev 
Relation : parent company
What company is Tupolev part of?

Context : ISO 3166-2:BA is the entry for Bosnia and Herzegovina 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:BA 
Relation : standards body
Who set the standards for ISO 3166-2:BA?

Context : Inspiration for the plot of ``Trapped in the Sky'' was derived from creator-producer Gerry Anderson's memories of his National Service. 
Subject : Trapped in the Sky 
Relation : series

Which series is Trapped in the Sky a part of?