Task: Question Answering
Input (English): Context : Mirza Tahir Hussain (born 1 June 1970) is a British man paroled on 17 November 2006 after spending 18 years on death row in Pakistan for the murder of a taxicab driver named Jamshed Khan in 1988, a crime which he says he committed in self-defence, as Khan pulled out a gun and tried to sexually assault him. 
Question : For what crime was Mirza Tahir Hussain prosecuted?
Output (English): murder