def describedataset(dataseturl):
    """Provides a usefull description of a dataset to allow content and structure awareness before SQL requesting on it.
    
    Args:
        dataseturl: url to the dataset as a file
        
    Returns:
        A usefull description of a dataset to allow content and structure awareness before SQL requesting on it
    """
    return f"Tableau de 100l ligne colonnes : A; B; D; F"