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_20710 ( "Number in series" real, "Broadcast Order" text, "Title" text, "Directed by" text, "Written by" text, "Original airdate" text, "Production Code" real )

### Question ###
Who wrote the episode for s02 e07?

### Accurate SQL ###

SELECT "Written by" FROM table_20710 WHERE "Broadcast Order" = 'S02 E07'