private boolean applicantAlreadyExist(Applicant applicant) {
		ResultSet result = AccessLayer.getInstance().executeQuery("select email from applicant_info where `last_name`='"+applicant.insertBackSlash(applicant.getLastname())+"' AND `first_name`='"+applicant.insertBackSlash(applicant.getFirstname())+"';");
		try {
			while(result.next()){
				return true;
			}
		} catch (SQLException e) {
			e.printStackTrace();
		}
		return false;
	}