public void lastTemperature(ActionEvent actionEvent) throws SQLException {

        // Label lasttemperature

        // POBIERANIE DANYCH Z BAZY
        Connection conn = dbConnection.getConnection();
        this.data = FXCollections.observableArrayList();

        ResultSet rs = conn.createStatement().executeQuery(sql);
        rs.next();
        this.data.add(new Data(rs.getString(1), rs.getString(2), rs.getString(3)));
        System.out.println((" ID= " + rs.getString(1) + " TEMP= " + rs.getString(2) + "[°C] " + " TIME= " + rs.getString(3)));