Who directed the episode written by Tony O'Grady (pseudonym of brian clemens)?
CREATE TABLE table_2370579_1 (directed_by VARCHAR, written_by VARCHAR)
SELECT directed_by FROM table_2370579_1 WHERE written_by = "Tony O'Grady (pseudonym of Brian Clemens)"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_2370579_1 (directed_by VARCHAR, written_by VARCHAR) Question: Who directed the episode written by Tony O'Grady (pseudonym of brian clemens)? [/INST] SELECT directed_by FROM table_2370579_1 WHERE written_by = "Tony O'Grady (pseudonym of Brian Clemens)" </s>