Who wrote 'episode 4'?
CREATE TABLE table_22286 (
    "No. overall" real,
    "No. in series" real,
    "Title" text,
    "Director" text,
    "Writer" text,
    "Original air date" text,
    "Production code" real
)
SELECT "Writer" FROM table_22286 WHERE "Title" = 'Episode 4'
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: Who wrote 'episode 4'? ### Input: CREATE TABLE table_22286 (
    "No. overall" real,
    "No. in series" real,
    "Title" text,
    "Director" text,
    "Writer" text,
    "Original air date" text,
    "Production code" real
) ### Response: SELECT "Writer" FROM table_22286 WHERE "Title" = 'Episode 4'