instruction:
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.
question:
Context : By his wife Sigyn, Loki is the father of Narfi and/or Nari. 
Subject : Loki 
Relation : spouse
answer:
What is Loki's spouse's name?


question:
Context : The Mysteron weaknesses discovered in ``Operation Time'' are developed in ``Spectrum Strikes Back'', its sequel episode. 
Subject : Operation Time 
Relation : series
answer:
What series is Operation Time from?


question:
Context : Khadijeh Saqafi (aka Ghods Iran Saqafi) (1913 -- 21 March 2009) was the wife of Ayatollah Ruhollah Khomeini, the leader of the 1979 Iranian Revolution. 
Subject : Khadijeh Saqafi 
Relation : spouse
answer:

What is Khadijeh Saqafi's spouse's name?