Generate a correct and concise answer for the question based on the words in the context.
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Question: Context : The Smothers Brothers Comedy Hour was an American comedy and variety show television series hosted by the Smothers Brothers and initially airing on CBS from 1967 to 1969.
Question : What is the original channel that The Smothers Brothers Comedy Hour played on?

Answer: CBS

Question: Context : Karl-Wilhelm von Schlieben (30 October 1894 -- 18 June 1964) was a German officer in World War I and World War II.
Question : Which war did Karl-Wilhelm von Schlieben participate in?

Answer: World War I

Question: Context : Hamidur Rahman (2 February 1953 -- 28 October 1971) was a sepoy in Bangladesh Army during the Bangladesh Liberation War.
Question : What war or battle involved Hamidur Rahman?

Answer:
Bangladesh Liberation War