Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_1081459_1 (introduced INTEGER, region VARCHAR)
### Question:
What is the minimum introduced value for the Departmental region?
### Answer:
SELECT MIN(introduced) FROM table_1081459_1 WHERE region = "Departmental"