CREATE TABLE table_19852975_4 (series__number VARCHAR, writer_s_ VARCHAR)

From writer Max Ehrlich, what is the total amount of series numbers?
SELECT COUNT(series__number) FROM table_19852975_4 WHERE writer_s_ = "Max Ehrlich"
SELECT COUNT("series__number") FROM "table_19852975_4" WHERE "Max Ehrlich" = "writer_s_"