What is the production code directed by Matt Shakman?
CREATE TABLE table_23799417_1 (production_code VARCHAR, directed_by VARCHAR)
SELECT production_code FROM table_23799417_1 WHERE directed_by = "Matt Shakman"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_23799417_1 (production_code VARCHAR, directed_by VARCHAR) Question: What is the production code directed by Matt Shakman? [/INST] SELECT production_code FROM table_23799417_1 WHERE directed_by = "Matt Shakman" </s>