Please answer this: What is the question to: "A total of 121 episodes of Lost were produced, the last of which aired on May 23, 2010."? The topic is List of Lost episodes.
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Answer: "how many episodes of Lost were there?"


Please answer this: What is the question to: "Charles Dillon "Casey" Stengel (; July 30, 1890 – September 29, 1975), nicknamed "The Old Perfessor", was an American Major League Baseball outfielder and manager ."? The topic is Casey Stengel.
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Answer: "What is the name of the late Major League  old professor?"


Please answer this: What is the question to: "It is also known as Holy Friday, Great Friday, Black Friday, or Easter Friday, though the latter properly refers to the Friday in Easter week ."? The topic is Good Friday.
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Answer:
"What is the significance of Good Friday??"