Detailed Instructions: 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.
Problem:Context : Robert John Bardo (born January 2, 1970) is an American man serving life imprisonment without parole after being convicted in October 1991 for the murder of American actress Rebecca Schaeffer on July 18, 1989, whom he had stalked for three years beforehand.
Answer : murder
Solution:
Which crime Robert John Bardo is considered to have commited?