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 : UK (an abbreviation of CountDown United Kingdom) was broadcast, with the same presenters as SMTV Live. 
Subject : SMTV Live 
Relation : original network

A: What was the station that aired SMTV Live?
****
Q: Context : Gliese 649 is a red dwarf star in the constellation of Hercules, located roughly 34 light years from the Sun. The star has been found to host an extrasolar planet. 
Subject : Gliese 649 
Relation : constellation

A: Which was the constellation for Gliese 649?
****
Q: Context : The Battle of Sahagún (21 December 1808) was a cavalry clash at Sahagún, Spain, in which the British 15th Light Dragoons (Hussars) defeated two regiments of French cavalry during the Corunna Campaign of the Peninsular War. 
Subject : Battle of Sahagún 
Relation : point in time

A:
When did Battle of Sahagún occurr?
****