instruction:
Generate a correct and concise answer for the question based on the words in the context.
question:
Context : Nikolaus Gerhaert (c.1420 -- 11 June 1473), also known as Nikolaus Gerhaert van Leyden, was a sculptor of Dutch origin, although aside from his sculptures, few details are known of his life. 
Question : What date did Nikolaus Gerhaert die on?
answer:
1473


question:
Context : Casey's Shadow is a 1978 drama Metrocolor film directed by Martin Ritt and starring Walter Matthau. 
Question : Who are the cast members of Casey's Shadow?
answer:
Walter Matthau


question:
Context : Rudolf Trenkel (17 January 1918 -- 26 April 2001) was a German World War II Luftwaffe 138 victories Flying ace and recipient of the coveted Knight's Cross of the Iron Cross (German: Ritterkreuz des Eisernen Kreuzes). 
Question : What was the award received by Rudolf Trenkel?
answer:

Knight's Cross of the Iron Cross