Task: Question Generation
Input (English): Context : Reinhard Graubner (2 August 1915 -- 3 November 1986) was a highly decorated Major in the Luftwaffe during World War II, and a recipient of the Knight's Cross of the Iron Cross. 
Subject : Reinhard Graubner 
Relation : conflict
Output (English): Which conflict was Reinhard Graubner a part of?