Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.

[EX Q]: Context : Rudolf Roy Jr. (15 August 1920 -- 17 December 1944) was a Untersturmführer (Second Lieutenant) in the Waffen SS during World War II, awarded the Knight's Cross of the Iron Cross, which was awarded to recognize extreme battlefield bravery or successful military leadership by Nazi Germany during World War II. 
Answer : Knight's Cross of the Iron Cross
[EX A]: What was the award received by Rudolf Roy?

[EX Q]: Context : Felice Pedroni (April 16, 1858 -- July 22, 1910), known best to Americans by his Hispanicized alias Felix Pedro, was an Italian immigrant whose discovery of gold in Interior Alaska marked the beginning of the 1902 Fairbanks Gold Rush. 
Answer : Alaska
[EX A]: What city is Felix Pedro from?

[EX Q]: Context : The JB-4 entered the flight testing stage in January 1945. 
Answer : 1945
[EX A]:
What was the year JB-4 entered service?