Who directed the episode with production code 4akj08?
CREATE TABLE table_19929970_1 (directed_by VARCHAR, production_code VARCHAR)
SELECT directed_by FROM table_19929970_1 WHERE production_code = "4AKJ08"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_19929970_1 (directed_by VARCHAR, production_code VARCHAR) Question: Who directed the episode with production code 4akj08? [/INST] SELECT directed_by FROM table_19929970_1 WHERE production_code = "4AKJ08" </s>