Task: Question Generation
Input (English): Context : Hartmut Schairer was killed on 19 July 1942 by Soviet forces over Staraya Russa, Russia, his gunner and fellow Knight's Cross recipient Oberfeldwebel Heinz Bevernis was also killed. 
Subject : Hartmut Schairer 
Relation : conflict
Output (English): In what war did Hartmut Schairer fight?