CREATE TABLE table_203_306 (id DECIMAL, "no." DECIMAL, "title" TEXT, "directed by" TEXT, "written by" TEXT, "original air date" TEXT)

how many episodes were directed by perry lang
SELECT COUNT("title") FROM table_203_306 WHERE "directed by" = 'perry lang'
SELECT COUNT("title") FROM "table_203_306" WHERE "directed by" = 'perry lang'