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.
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Question: original question: Which unit of energy belongs to the same measurement system as [Kilogram per cubic metre]?
answer: kilojoule, joule
answer type: Unit of Energy.
auxiliary information: Kilogram per cubic metre is an SI derived unit of density, defined by mass in kilograms divided by volume in cubic metres. The official SI symbolic abbreviation is kg¬∑m‚àí3, or equivalently either kg/m¬≥ or .

Answer: What is the name of the unit of energy in the measurement system with [Kilogram per cubic metre]?


Question: original question: What is the file format of the concert film which has [Best of Both Worlds Concert] as the soundtrack?
answer: reald 3d
answer type: Film format.

Answer: Which file format does the concert film with [Best of Both Worlds Concert] as its soundtrack have?


Question: original question: What is the magazine genre of [Green Car Journal]?
answer: automobile magazine
answer type: Magazine genre.
auxiliary information: Green Car Journal is a quarterly publication created in 1992 that focuses on green vehicles and environmentally friendly energy and technologies. The magazine also hosts events, produces ride-and-drives of advanced and clean fuel vehicles, and conducts various outreach efforts to educate consumers about green vehicle choices. In November 2004 the magazine's Spring 2004 edition won a silver medal for "Best Single Magazine Issue" from the International Automotive Media Awards, together with eight other awards for magazine writing.

Answer:
[Green Car Journal] belongs to what magazine genre?