Task: Question Generation
Input (English): Context : Karl Thurmann (4 September 1909 -- 20 January 1943) was a German U-boat commander in World War II and recipient of the Knight's Cross of the Iron Cross (German: Ritterkreuz des Eisernen Kreuzes). 
Subject : Karl Thurmann 
Relation : award received
Output (English): What award was received by Karl Thurmann?