Definition: 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.
Input: original question: which class of locomotives are built by [Hunslet Engine Company]?
answer: dhr a class, tdlr 5, lms fowler class 3f...
answer type: Locomotive class.
auxiliary information: The Hunslet Engine Company was founded in 1864 in Hunslet, Leeds, England. The company manufactured steam-powered shunting locomotives for over 100 years, and currently manufactures diesel-engined shunting locomotives. As of 2012 the company is part of the LH Group, a subsidiary The Hunslet Steam Company maintains and manufactures build steam locomotives.

[Hunslet Engine Company] built which locomotive class?