Name the series number directed by richard thorpe written by dee johnson
CREATE TABLE table_21618 (
    "Series #" real,
    "Season #" real,
    "Title" text,
    "Directed by" text,
    "Written by" text,
    "Original air date" text
)
SELECT MAX("Series #") FROM table_21618 WHERE "Directed by" = 'Richard Thorpe' AND "Written by" = 'Dee Johnson'
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: Name the series number directed by richard thorpe written by dee johnson ### Input: CREATE TABLE table_21618 (
    "Series #" real,
    "Season #" real,
    "Title" text,
    "Directed by" text,
    "Written by" text,
    "Original air date" text
) ### Response: SELECT MAX("Series #") FROM table_21618 WHERE "Directed by" = 'Richard Thorpe' AND "Written by" = 'Dee Johnson'