CREATE TABLE table_20360535_3 (no VARCHAR, directed_by VARCHAR, written_by VARCHAR)

How many episodes directed by ben jones and written by paul dini?
SELECT COUNT(no) FROM table_20360535_3 WHERE directed_by = "Ben Jones" AND written_by = "Paul Dini"
SELECT COUNT("no") FROM "table_20360535_3" WHERE "Ben Jones" = "directed_by" AND "Paul Dini" = "written_by"