Please answer the following question: What type of details about marcelo garraffo can be gathered from the following bio? Bio: marcelo omar garraffo biano -lrb- born september 5 , 1957 -rrb- is a retired field hockey player from argentina , who competed in three summer olympics for his native country . at his olympic debut in 1976 he ended up in 11th place with the national squad , followed by the 8th place in 1988 . four years later , at the 1992 summer olympics in barcelona , spain , garraffo was the oldest member -lrb- 34 years , 323 days -rrb- of the argentinian hockey delegation , and had the honour of carrying the flag at the opening ceremony . as a coach he guided the men 's national team to the silver medal at the 1999 pan american games . at the end of 2012 , he was chosen as the new head coach of argentina women 's team after carlos retegui 's contract was not renewed . four months later , by decision of the newly elected president of the argentine hockey confederation , federal senator anibal fernandez , he was dismissed .
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- medaltemplates - birth date