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 : ``Slap Bet'' is the ninth episode in season 2 of the popular sitcom How I Met Your Mother. 
Subject : Slap Bet 
Relation : series

A: What series is Slap Bet in?
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Q: Context : Its complete designation, SKS-45, is an initialism for Samozaryadnyj Karabin sistemy Simonova, 1945 (Russian: Самозарядный карабин системы Симонова, 1945; Self-loading Carbine of (the) Simonov system, 1945). 
Subject : SKS 
Relation : service entry

A: Which was the official year for the approval of SKS?
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Q: Context : According to Nielsen Media Research, ``Leslie's House'' was seen by 4.35 million viewers, a slight drop from the previous episode, ``The Set Up''. 
Subject : Leslie's House 
Relation : series

A:
To which series does Leslie's House belong?
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