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_27495117_3 (manner_of_departure VARCHAR, date_of_appointment VARCHAR)
### Question:
What was the manner of departure for the appointment date of 21 september 2010
### Answer:
SELECT manner_of_departure FROM table_27495117_3 WHERE date_of_appointment = "21 September 2010"