Who wrote episode number 19 in the series?
CREATE TABLE table_30329 (
    "No. in series" real,
    "Title" text,
    "Directed by" text,
    "Written by" text,
    "Original air date" text,
    "Production code" real
)
SELECT "Written by" FROM table_30329 WHERE "No. in series" = '19'
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 number 19 in the series? ### Input: CREATE TABLE table_30329 (
    "No. in series" real,
    "Title" text,
    "Directed by" text,
    "Written by" text,
    "Original air date" text,
    "Production code" real
) ### Response: SELECT "Written by" FROM table_30329 WHERE "No. in series" = '19'