In eliminating Costa Rica from the World Cup , Ecuador marked perhaps its greatest sporting achievement since Jefferson Perez won the country 's first Olympic gold medal by taking the 20-kilometer walk at the 1996 Summer Games in Atlanta .
Jefferson Perez /people/person/nationality Ecuador
IN VBG NNP NNP IN DT NNP NNP , NNP VBD RB PRP$ JJS VBG NN IN NNP NNP VBD DT NN POS JJ NNP NN NN IN VBG DT JJ NN IN DT CD NNPS NNPS IN NNP .
Jefferson Perez
PERSON
Ecuador
LOCATION
/people/person/nationality