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_54 (date_of_vacancy VARCHAR, date_of_appointment VARCHAR)
### Question:
what is the date of vacancy when the date of appointment is 1 january 2009?
### Answer:
SELECT date_of_vacancy FROM table_name_54 WHERE date_of_appointment = "1 january 2009"