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

Q: Context : Peter Reville (5 October 1904 -- 4 March 1970), Christened ``Henry James'', but adopted his father's Christian name, was an Australian rules footballer who played with South Melbourne and Fitzroy in the Victorian Football League (VFL). 
Question : What was Peter Reville's career?

A: Australian rules footballer
****
Q: Context : The GCR Class 1 was a class of steam locomotives designed by John G. Robinson for the Great Central Railway, and introduced to service between December 1912 and 1913. 
Question : What was the year that GCR Class 1 entered service?

A: December 1912
****
Q: Context : John Kelvin Koelsch (December 22, 1923 -- October 16, 1951) was a United States Navy officer and a recipient of America's highest military decoration -- the Medal of Honor -- for his actions in the Korean War. 
Question : In what military branch did John Kelvin Koelsch serve?

A:
United States Navy
****