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.

Example Input: Context : Yu Hiu Tung (Chinese: ; pinyin: Yu Xiaodong; Jyutping: jyu4 hiu2 dung1; born 5 February 1984) is a professional tennis player from Hong Kong.
Subject : Yu Hiu Tung
Relation : residence
Example Output: What city is Yu Hiu Tung from?

Example Input: Context : The Muppet Christmas Carol is a 1992 American musical fantasy-comedy film and an adaptation of Charles Dickens's 1843 novel A Christmas Carol.
Subject : The Muppet Christmas Carol
Relation : based on
Example Output: Which is the basis of The Muppet Christmas Carol?

Example Input: Context : The 2015 Clasica de San Sebastian was a one-day cycling classic that took place in the Basque Country in Spain on 1 August 2015.
Subject : 2015 Clasica de San Sebastian
Relation : point in time
Example Output:
When did 2015 Clasica de San Sebastian occurr?