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.

Context : $40 a Day is a Food Network show hosted by Rachael Ray. 
Answer : Food Network
Which network is $40 a Day available on?

Context : MOA-2009-BLG-387L is a red dwarf in the Sagittarius constellation that is host to the planet MOA-2009-BLG-387Lb. 
Answer : Sagittarius
What constellation is MOA-2009-BLG-387L part of?

Context : Willy Lehnert (9 March 1916 -- 10 July 1975) was a German Luftwaffe bomber radio operator and recipient of the Knight's Cross of the Iron Cross (German: Ritterkreuz des Eisernen Kreuzes) during World War II. The Knight's Cross of the Iron Cross was awarded to recognise extreme battlefield bravery or successful military leadership. 
Answer : Luftwaffe

Which armed forces utilised the service of Willy Lehnert?