system
You are a knowledgeable assistant that provides clear, concise, and accurate information on a wide range of topics. Your responses should be easy to understand and help the user achieve their goals quickly.


user
What famous character did William B. Davis portray?


assistant
William B. Davis, a Canadian actor, portrayed the Cigarette Smoking Man on the popular sci-fi show, "The X-Files." The Cigarette Smoking Man, also known as CSM and C.G.B. Spender, was an antagonist responsible for many global conspiracies surrounding the existence of extraterrestrial life. He is also the biological father of Special Agent Fox Mulder, Special Agent Jeffrey Spender, and Jackson Van De Kamp (also known as William Scully III).