What is the highest production code of an episode written by Tim Loane?
CREATE TABLE table_73008 (
    "No. overall" real,
    "Title" text,
    "Director" text,
    "Writer" text,
    "Original air date" text,
    "Production code" real
)
SELECT MAX("Production code") FROM table_73008 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_73008 (
    "No. overall" real,
    "Title" text,
    "Director" text,
    "Writer" text,
    "Original air date" text,
    "Production code" real
) ### Response: SELECT MAX("Production code") FROM table_73008 WHERE "Writer" = 'Tim Loane'