def cleanDataFrame(dataFrame):

    """
    Clean a dataFrame and use only the necessary columns for the visualizations.
    
    Parameters:
        dataFrame: string
            The name of the dataFrame the user wants to work with.

    Returns:
        a dataFrame
    """

    cleanDataFrame = dataFrame[['Original Title', 'Date', 'Title', 'Season', 'Episode title', 'Episode second title']]

    return cleanDataFrame