Compose a new way to ask the same question. The new question must be asking the exact same thing as the original question does. Without any other information, you should be able to tell that the original question and the new question are the same. Preserve bracketed phrases in your new question. You can change the rest of the question provided the above requirements are satisfied. The new question must have a natural, fluent formulation, as if it were composed by a native English speaker. You will be given three pieces of information to help you create better questions. Those are: "Answer": the answer to the question, e.g., "Honolulu". "Answer Type": the type of the answer, e.g., "Location". "Auxiliary Information" is a detailed description of some concepts mentioned in the question, if any.

Q: original question: What compression format is used by cameras with a [3:2] ratio and weighs less than [455.0]?
answer: motion jpeg, quicktime file format, jpeg...
answer type: Camera Compressed Format.

A: Cameras that have a [3:2] ratio and weigh less than [455.0] have what compression format?
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Q: original question: Which musical recording has a genre of [Doom metal]?
answer: the dead walk among us
answer type: Musical Recording.
auxiliary information: Doom metal is an extreme form of heavy metal music that typically uses slower tempos, low-tuned guitars and a much "thicker" or "heavier" sound than other metal genres. Both the music and the lyrics intend to evoke a sense of despair, dread, and impending doom. The genre is strongly influenced by the early work of Black Sabbath, who formed a prototype for doom metal with songs such as "Black Sabbath", "Electric Funeral" and "Into the Void". The Beatles' 1969 song "I Want You" is sometimes considered to be the first ever work of doom rock/metal. During the first half of the 1980s, a number of bands from England, the United States and Sweden defined doom metal as a distinct genre.

A: What type of recorded music has a [Doom metal] genre?
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Q: original question: What's the unit of length in the measurement system where radiance unit is [Watt per square metre per steradian].
answer: millimeter, megametre, nanometre...
answer type: Unit of Length.

A:
Name the unit of length within the measurement system in which radiance is [Watt per square metre per steradian].
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