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_name_39 (commenced_operations INTEGER, airline VARCHAR)
### Question:
Which Commenced operations have an Airline of valuair?
### Answer:
SELECT MAX(commenced_operations) FROM table_name_39 WHERE airline = "valuair"