Generate a correct and concise answer for the question based on the words in the context.

Context : Gabriel Kunda (born 20 October 1968) is a former Argentine male volleyball player. 
Question : What was the gender of Gabriel Kunda?
male

Context : The 2015 Belgian Grand Prix (formally the 2015 Formula 1 Shell Belgian Grand Prix) was a Formula One motor race held on 23 August 2015 at the Circuit de Spa-Francorchamps in Spa, Belgium. 
Question : On what date did 2015 Belgian Grand Prix occur?
23 August 2015

Context : Hauptmann Rudolf Henne (10 September 1913 -- 5 October 1962) was a Luftwaffe Bomber Ace in the German Luftwaffe during World War II in Staffelkapitän of the 9. 
Question : In which war/battle did Rudolf Henne fight?

World War II