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_79 (date_of_appointment VARCHAR, manner_of_departure VARCHAR, team VARCHAR)
### Question:
What was the date of appointment for the manager of lecce when the previous manager's contract expired?
### Answer:
SELECT date_of_appointment FROM table_name_79 WHERE manner_of_departure = "contract expired" AND team = "lecce"