What episode number in the season was written by Greg nelson and directed by Keith samples?
CREATE TABLE table_29632 (
    "#" real,
    "No." real,
    "Title" text,
    "Directed by" text,
    "Written by" text,
    "Viewers" real,
    "Original airdate" text,
    "Prod. code" real
)
SELECT "No." FROM table_29632 WHERE "Written by" = 'Greg Nelson' AND "Directed by" = 'Keith Samples'
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 episode number in the season was written by Greg nelson and directed by Keith samples? ### Input: CREATE TABLE table_29632 (
    "#" real,
    "No." real,
    "Title" text,
    "Directed by" text,
    "Written by" text,
    "Viewers" real,
    "Original airdate" text,
    "Prod. code" real
) ### Response: SELECT "No." FROM table_29632 WHERE "Written by" = 'Greg Nelson' AND "Directed by" = 'Keith Samples'