stmt.setInt(1, ssn);
stmt.execute();
ResultSet rs = stmt.getResultSet();
if( rs.next() ){
EducationDTO edu = new EducationDTO();
edu.setEducation(rs.getString(1));
edu.setEduenroll(rs.getString(2));
if( rs.next() ){
assert false;
throw new RuntimeException("Got more results than expected.");
}