def create_groupings_columns(groupings_params):
    """
    Strips all other parameters from groupings except name and columns
    """
    new_groupings={}
    for grouping_name, grouping_values in groupings_params.items():
        for values_name, values in grouping_values.items():
            if values_name is 'columns':
                new_groupings[grouping_name]=values
    return new_groupings