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_11240028_1 (last_appearance VARCHAR, portrayed_by VARCHAR)
### Question:
Which episode did actor A. J. Buckley last appear in?
### Answer:
SELECT last_appearance FROM table_11240028_1 WHERE portrayed_by = "A. J. Buckley"