Generate a correct and concise answer for the question based on the words in the context.

[Q]: Context : Used by the U.S. Army, the U.S. Marine Corps, as well as many foreign militaries, the M47 Dragon was first fielded in January 1975 to U.S. Army soldiers stationed in mainland Europe.
Question : What year did M47 Dragon come into use?
[A]: 1975

[Q]: Context : Robert Sadin is an American jazz musician, conductor, arranger, composer and producer.
Question : What was Robert Sadin's career?
[A]: jazz musician

[Q]: Context : 12 Comae Berenices (12 Com) is a star in the constellation Coma Berenices.
Question : Which constellation is formed by 12 Comae Berenices?
[A]:
Coma Berenices