public List<FeedbackResponseAttributes> getFeedbackResponsesForSessionInSectionWithinRange( String feedbackSessionName, String courseId, String section, long range) { if (section == null) { return getFeedbackResponsesForSessionWithinRange(feedbackSessionName, courseId, range); } else { return frDb.getFeedbackResponsesForSessionInSectionWithinRange( feedbackSessionName, courseId, section, range); } }