What is the production code of the episode 'The Night Moves', which was directed by Patrick Norris?
CREATE TABLE table_21729 (
    "Series #" real,
    "Episode #" real,
    "Title" text,
    "Directed by" text,
    "Written by" text,
    "U.S. viewers (million)" text,
    "Original airdate" text,
    "Production Code" text
)
SELECT "Production Code" FROM table_21729 WHERE "Directed by" = 'Patrick Norris' AND "Title" = 'The Night Moves'
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 production code of the episode 'The Night Moves', which was directed by Patrick Norris? ### Input: CREATE TABLE table_21729 (
    "Series #" real,
    "Episode #" real,
    "Title" text,
    "Directed by" text,
    "Written by" text,
    "U.S. viewers (million)" text,
    "Original airdate" text,
    "Production Code" text
) ### Response: SELECT "Production Code" FROM table_21729 WHERE "Directed by" = 'Patrick Norris' AND "Title" = 'The Night Moves'