Detailed Instructions: 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 : NGC 6397 is one of the at least 20 globular clusters of our Milky Way Galaxy that have undergone a core collapse, meaning that the core has contracted to a very dense stellar agglomeration.
Subject : NGC 6397
Relation : constellation
A:
The star NGC 6397 is part of what constellation?