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.

Context : Museum August Kestner, previously Kestner-Museum, is a museum in Hanover, Germany, founded in 1889. 
Answer : 1889
When did Museum August Kestner open?

Context : 94 Aquarii (abbreviated 94 Aqr) is a triple star system in the equatorial constellation of Aquarius. 
Answer : Aquarius
The star/galaxy 94 Aquarii is in what constellation?

Context : Roger Warren (born December 17, 1943) is a former miner who was convicted of nine counts of second-degree murder in connection to the September 18, 1992 Giant Mine bombings at Yellowknife, Northwest Territories, Canada. 
Answer : murder

For what crime was Roger Warren prosecuted?