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_19852975_4 ( series__number VARCHAR, writer_s_ VARCHAR )

### Question ###
From writer Max Ehrlich, what is the total amount of series numbers?

### Accurate SQL ###

SELECT COUNT(series__number) FROM table_19852975_4 WHERE writer_s_ = "Max Ehrlich"