Task: Question Understanding
Input (English): Context : Karl Helge Hampus Hellekant, later Karl Svensson (born January 30, 1976 in Danderyd, Stockholm County) is a Swedish neo-Nazi who was sentenced to 11 years of prison for the murder of syndicalist union member Björn Söderberg on October 12, 1999. 
Question : Which crime Hampus Hellekant is considered to have commited?
Output (English): convicted of