Task: Question Generation
Input (English): Context : The GER Class G69 was a class of twenty 2-4-2T steam locomotives built by for the Great Eastern Railway by S. D. Holden in 1911--12 following the design of two rebuilt examples of the GER Class M15 designed by James Holden, his father in 1904. 
Subject : GER Class G69 
Relation : service entry
Output (English): What year was GER Class G69 made?