What is the highest production code of an episode written by Tim Loane?
CREATE TABLE table_18335117_2 (
    production_code INTEGER,
    writer VARCHAR
)
SELECT MAX(production_code) FROM table_18335117_2 WHERE writer = "Tim Loane"
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 of an episode written by Tim Loane? ### Input: CREATE TABLE table_18335117_2 (
    production_code INTEGER,
    writer VARCHAR
) ### Response: SELECT MAX(production_code) FROM table_18335117_2 WHERE writer = "Tim Loane"