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 : Vueling was established in February 2004 and commenced operations on 1 July 2004 with a flight between Barcelona and Ibiza. 
Subject : Vueling 
Relation : parent company
[EX A]: What company is Vueling part of?

[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 : Sergi Bruguera i Torner (Catalan pronunciation: (ˈsɛrʒi βɾuˈɣeɾə i turˈne); born 16 January 1971, in Barcelona, Spain) is a former professional tennis player from Catalonia, Spain. 
Subject : Sergi Bruguera 
Relation : residence
[EX A]:
What city is Sergi Bruguera from?