Generate a correct and concise answer for the question based on the words in the context.
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Question: Context : The Sleepwalker Killing also known as From the Files of Unsolved Mysteries: 
Question : Which is the basis of The Sleepwalker Killing?

Answer: Unsolved Mysteries


Question: Context : The M-63 Plamen (English: Flame) is a 128mm multiple rocket launcher developed in 1963 in Yugoslavia for use in the Yugoslav People's Army. 
Question : What year was M-63 Plamen commissioned?

Answer: 1963


Question: Context : Nightbreed (also Night Breed on publicity material, or Clive Barker's Nightbreed) is a 1990 American dark fantasy horror film written and directed by Clive Barker, based on his 1988 novella Cabal, and starring Craig Sheffer, Anne Bobby, David Cronenberg, Charles Haid, Hugh Quarshie, and Doug Bradley. 
Question : The Nightbreed is based upon what?

Answer:
Cabal