}
public List<SingleQuestionResponse> gerResponsesByQuestion(int questionId) {
List<SingleQuestionResponse> responses = new ArrayList<SingleQuestionResponse>();
for (int i=0; i<this.getResponses().size(); i++) {
SingleQuestionResponse response = this.getResponses().get(i);
if (response.getQuestionId() == questionId) {
responses.add(response);
}
}
return null;
}