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 : ITV Digital Channels Ltd now solely under control of ITV plc is today a profitable business which runs all ITV plc's television channels with the exception of ITV, which is part of the ITV Network. 
Subject : ITV Digital Channels 
Relation : parent company
Example Output: What is ITV Digital Channels's parent company?

Example Input: Context : Tom DeMarco was born in Hazleton, Pennsylvania. 
Subject : Tom DeMarco 
Relation : occupation
Example Output: What was Tom DeMarco's career?

Example Input: Context : China Airlines Flight 642 was a flight that crashed at Hong Kong International Airport on 22 August 1999. 
Subject : China Airlines Flight 642 
Relation : point in time
Example Output:
The date of China Airlines Flight 642 was what?