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

[EX Q]: Context : Song of Summer is a 1968 black-and-white television film written, produced and directed by Ken Russell for the BBC's Omnibus series which was first broadcast on 15 September 1968. 
Question : The production company responsible for Song of Summer is what?
[EX A]: BBC

[EX Q]: Context : Telecinco Cinema, S.A.U. is a Spanish film production company owned by Mediaset España Comunicación. 
Question : Which company is the parent company of Telecinco Cinema?
[EX A]: Mediaset España

[EX Q]: Context : By the start of World War II Heinz Hämel had been promoted to Oberscharführer (Technical Sergeant) and was a platoon commander. 
Question : Which war did Heinz Hämel serve in?
[EX A]:
World War II