def get_simple_line_header(specify_project=False):
    """
    Return the IEM header line corresponding to simple (lane/sample/index) data.

    :param specify_project: Whether to add the project column.
    :rtype: list[string]
    """
    cols = ['Lane','Sample_ID','Sample_Name','index']
    if specify_project:
        cols.append('Sample_Project')
    return cols