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_24172157_3 (date_of_vacancy VARCHAR, table VARCHAR, team VARCHAR)
### Question:
What is the date of vacancy for the Liverpool team with a table named pre-season?
### Answer:
SELECT date_of_vacancy FROM table_24172157_3 WHERE table = "Pre-season" AND team = "Liverpool"