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_11207040_6 (date_of_vacancy VARCHAR, team VARCHAR)
### Question:
What days is greenock morton vacant?
### Answer:
SELECT date_of_vacancy FROM table_11207040_6 WHERE team = "Greenock Morton"