CREATE TABLE table_1854728_2 (directed_by VARCHAR, production_code VARCHAR)

When 1008/1009 is the production code how many directors are there?
SELECT COUNT(directed_by) FROM table_1854728_2 WHERE production_code = "1008/1009"
SELECT COUNT("directed_by") FROM "table_1854728_2" WHERE "1008/1009" = "production_code"