Who directed the episode titled 'the advocate'?
CREATE TABLE table_21635 (
    "Series #" real,
    "Season #" real,
    "Title" text,
    "Directed by" text,
    "Written by" text,
    "Original air date" text
)
SELECT "Directed by" FROM table_21635 WHERE "Title" = 'The Advocate'
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 directed the episode titled 'the advocate'? ### Input: CREATE TABLE table_21635 (
    "Series #" real,
    "Season #" real,
    "Title" text,
    "Directed by" text,
    "Written by" text,
    "Original air date" text
) ### Response: SELECT "Directed by" FROM table_21635 WHERE "Title" = 'The Advocate'