def METHOD_NAME(table_oid, attnum, engine, metadata, connection_to_use=None):
    sa_table = reflect_table_from_oid(table_oid, engine, metadata=metadata, connection_to_use=connection_to_use)
    column_name = get_column_name_from_attnum(table_oid, attnum, engine, metadata=metadata, connection_to_use=connection_to_use)
    sa_column = sa_table.columns[column_name]
    return sa_column