public OrgaEinheit getOrgaEinheitZuLeitername(String Leitername) {
		OrgaEinheit rueckgabe = null;
		ResultSet resultSet;
		try {
			resultSet = db
					.executeQueryStatement("SELECT * FROM OrgaEinheiten WHERE Leitername = '"
							+ Leitername + "'");
			if(resultSet.next())
			rueckgabe = new OrgaEinheit(resultSet, db, this);
			resultSet.close();
		} catch (SQLException e) {
			System.out.println(e);

		}
		return rueckgabe;
	}