CREATE TABLE table_28047 ("Series no." FLOAT, "No. in season" FLOAT, "Title" TEXT, "Written by" TEXT, "Directed by" TEXT, "Original air date" TEXT)

How many people directed the episode that Joe Toplyn wrote?
SELECT COUNT("Directed by") FROM table_28047 WHERE "Written by" = 'Joe Toplyn'
SELECT COUNT("Directed by") FROM "table_28047" WHERE "Written by" = 'Joe Toplyn'