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 : Gallienus married Cornelia Salonina about ten years before his accession to the throne. 
Subject : Gallienus 
Relation : spouse

A: What is Gallienus's spouse's name?
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Q: Context : Cartagena (birth name:Modesto Cartagena de Jesús ) was born in a poor family, and raised in the mountains of Cayey, Puerto Rico during the Great Depression. 
Subject : Modesto Cartagena 
Relation : conflict

A: Which war did Modesto Cartagena participate in?
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Q: Context : Windows 10 was available in 190 countries and 111 languages upon its launch, and as part of efforts to ``re-engage'' with users in China, Microsoft also announced that it would partner with Qihoo and Tencent to help promote and distribute Windows 10 in China, and that Chinese PC maker Lenovo would provide assistance at its service centers and retail outlets for helping users upgrade to Windows 10. 
Subject : Windows 10 
Relation : series

A:
What is the series called that Windows 10 belongs to?
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