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Find a Wikipedia image that answers this question: How many of the medalists in the boys' singles badminton event at the 2018 Summer Youth Olympics had brown hair?

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Represent the given Wikipedia image with related text information: 2018-10-12 Badminton Boys Singles Victory ceremony at 2018 Summer Youth Olympics by Sandro Halank–029 Victory ceremony at the Boys Singles Badminton competition.

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