What is the maximum production code of the episode directed by Sean McNamara?
CREATE TABLE table_27610775_1 (prod_code INTEGER, directed_by VARCHAR)
SELECT MAX(prod_code) FROM table_27610775_1 WHERE directed_by = "Sean McNamara"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_27610775_1 (prod_code INTEGER, directed_by VARCHAR) Question: What is the maximum production code of the episode directed by Sean McNamara? [/INST] SELECT MAX(prod_code) FROM table_27610775_1 WHERE directed_by = "Sean McNamara" </s>