Which episode did actor A. J. Buckley last appear in?
CREATE TABLE table_11240028_1 (last_appearance VARCHAR, portrayed_by VARCHAR)
SELECT last_appearance FROM table_11240028_1 WHERE portrayed_by = "A. J. Buckley"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_11240028_1 (last_appearance VARCHAR, portrayed_by VARCHAR) Question: Which episode did actor A. J. Buckley last appear in? [/INST] SELECT last_appearance FROM table_11240028_1 WHERE portrayed_by = "A. J. Buckley" </s>