instruction:
Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.
question:
Context : Iris Burton died on April 5, 2008, aged 77, from pneumonia and complications of Alzheimer's disease in Woodland Hills, California. 
Answer : pneumonia
answer:
What did Iris Burton die from?


question:
Context : An order to enter the BTR-60P into Soviet Army service was issued on 13 December 1959. 
Answer : 13 December 1959
answer:
What year did BTR-60 come into use?


question:
Context : ``Devil's Triad'' is the tenth episode of the eleventh season of the American police procedural drama NCIS, and the 244th episode overall. 
Answer : NCIS
answer:

Of what series is Devil's Triad a part of?