Richards finished in 49.74 seconds , followed by the 2003 world champion , Ana Guevara of Mexico , in 49.81 .
Ana Guevara /people/person/nationality Mexico
NNP VBD IN CD NNS , VBN IN DT CD NN NN , NNP NNP IN NNP , IN CD .
Ana Guevara
PERSON
Mexico
LOCATION
/people/person/nationality