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.
Q: Context : James Charles Kopp (born August 2, 1954) is an American citizen who was convicted in 2003 for the 1998 sniper-style murder of Barnett Slepian, an American physician from Amherst, New York who performed abortions.
Answer : murder
A:
Which crime James Charles Kopp is considered to have commited?