Please answer the following question: What type of details about marcel tschopp  can be gathered from the following bio?  Bio: marcel tschopp -lrb- born 28 april 1974 in ruggell -rrb- is a liechtensteiner orienteer and track athlete , specializing in the marathon . tschopp was liechtenstein 's flag bearer for the opening ceremony of the 2008 summer olympics in beijing , and finished 74th in the men 's marathon . he is a physician by profession .
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