What is the highest production code when the writer was brian egeston after season 5?
CREATE TABLE table_name_6 (
    production_code INTEGER,
    written_by VARCHAR,
    season__number VARCHAR
)
SELECT MAX(production_code) FROM table_name_6 WHERE written_by = "brian egeston" AND season__number > 5
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: What is the highest production code when the writer was brian egeston after season 5? ### Input: CREATE TABLE table_name_6 (
    production_code INTEGER,
    written_by VARCHAR,
    season__number VARCHAR
) ### Response: SELECT MAX(production_code) FROM table_name_6 WHERE written_by = "brian egeston" AND season__number > 5