def dataset(blob_model_info):
    """
    Define json dataset parameters for single structure predictor

    :param blob_model_info: model info
    :type blob_model_info: dict
    :return: dataset parameters
    :rtype: dict
    """

    if 'Description' in blob_model_info['Dataset'].keys():
        description = blob_model_info['Dataset']['Description']
    elif 'DatasetDescription' in blob_model_info.keys():
        description = blob_model_info['DatasetDescription']
    else:
        description = None

    return {
        'title': blob_model_info['Dataset']['Title'],
        'description': description
    }