What is the question to: "In computer science , array programming languages (also known as vector or multidimensional languages) generalize operations on scalars to apply transparently to vectors , matrices , and higher dimensional arrays."? The topic is Array programming.
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Answer: "what is an array in programming?"

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?"

What is the question to: "Catonsville is a census-designated place (CDP) in Baltimore County , Maryland , United States."? The topic is Catonsville, Maryland.
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Answer:
"what county is catonsville md in?"