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 competitor participated in the competitions of [2009 Tour Down Under]?
answer: robbie mcewen, mauro santambrogio, michael rogers...
answer type: Competitor.
auxiliary information: The 2009 Tour Down Under was the 11th edition of the Tour Down Under cycling stage race, taking place over 20 ‚Äì25 January around Adelaide, Australia. The Tour Down Under was the first race outside of Europe to be given ProTour status by the UCI, and this edition was the first race in the inaugural UCI World Ranking calendar. This was the first race in Lance Armstrong's comeback. The race was preceded by an opening race called Down Under Classic, not part of the UCI ProTour competition.

Name the competitor who participated in the competitions of [2009 Tour Down Under].