def METHOD_NAME(tb: Table, tb_time_series: Table, tb_fasttrack: Table) -> Table:
    tb["year"] = 2022
    tb = tb[["country", "year", "year_certified"]]
    tb_combined = pd.merge(tb, tb_time_series, on=["country", "year"], how="outer")
    tb_combined = pd.merge(tb_combined, tb_fasttrack, on=["country", "year"], how="outer")
    tb_combined = Table(tb_combined, short_name=paths.short_name)
    return tb_combined