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.

[EX Q]: Context : Song at Midnight (simplified Chinese: 夜半歌声; traditional Chinese: 夜半歌聲; pinyin: Yè bàn gē shēng) (also known as Singing at Midnight or literally Voice of Midnight) is a 1937 film directed by Ma-Xu Weibang. 
Subject : Song at Midnight 
Relation : based on
[EX A]: Which is the basis of Song at Midnight?

[EX Q]: Context : Hermann Juhnke was born in Laurenburg in the German Empire on 7 April 1893. 
Subject : Hermann Juhnke 
Relation : conflict
[EX A]: What war or battle did Hermann Juhnke fight in?

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