CREATE TABLE table_73414 ("Season no." FLOAT, "Series no." FLOAT, "Title" CLOB, "Directed by" CLOB, "Written by" CLOB, "Original air date" CLOB, "Production code" FLOAT, "U.S. Viewers  ( millions ) " CLOB)

How many writers write the episode whose director is Jonathan Herron?
SELECT COUNT("Written by") FROM table_73414 WHERE "Directed by" = 'Jonathan Herron'
SELECT COUNT("Written by") FROM "table_73414" WHERE "Directed by" = 'Jonathan Herron'