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

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?
December 1912

Context : 503 during the Normandy campaign on 11 July 1944; on the Eastern Front, the first unit to be outfitted with Tiger IIs was the s.H.Pz.Abt.
Question : What year was Tiger II commissioned?
1944

Context : Austrian Air Services, officially licensed as Osterreichischer Inlands- und Regionalflugdienst GesmbH (German for Austrian Domestic and Regional Flight Service), was an airline headquartered in Austria, operating domestic and regional flights on behalf of Austrian Airlines.
Question : What company is Austrian Air Services part of?
Austrian Airlines