When the mayor of New Orleans , Ray Nagin , issued a mandatory evacuation order , hospitals were exempted .
Ray Nagin /people/person/place_of_birth New Orleans
WRB DT NN IN NNP NNP , NNP NNP , VBD DT JJ NN NN , NNS VBD VBN .
Ray Nagin
PERSON
New Orleans
LOCATION
/people/person/place_of_birth