Generate a correct and concise answer for the question based on the words in the context.

Context : Willie Earl Green was sent to prison in 1983 for the murder of a woman in a South Los Angeles crack house, but after a change in testimony, authorities released him from prison in March 2008. 
Question : Which crime Willie Earl Green is considered to have commited?
murder

Context : Compass in the Blood is a young-adult novel by the American writer William E. Coles, Jr. (1932--2005) set in 1990s Pittsburgh, Pennsylvania. 
Question : Which place is Compass in the Blood in?
Pittsburgh

Context : In cryptography, RC6 (Rivest cipher 6) is a symmetric key block cipher derived from RC5. 
Question : The RC6 is based upon what?

RC5