Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_29632 ( "#" real, "No." real, "Title" text, "Directed by" text, "Written by" text, "Viewers" real, "Original airdate" text, "Prod. code" real )

### Question ###
What episode number in the season was written by Greg nelson and directed by Keith samples?

### Accurate SQL ###

SELECT "No." FROM table_29632 WHERE "Written by" = 'Greg Nelson' AND "Directed by" = 'Keith Samples'