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_20726262_3 (no_in_season VARCHAR, writtenby VARCHAR)

### Question ###
How many numbers in the season were written by  Brett Conrad & Liz Sagal?

### Accurate SQL ###

SELECT COUNT(no_in_season) FROM table_20726262_3 WHERE writtenby = "Brett Conrad & Liz Sagal"