CREATE TABLE table_1705 ("Episode #" FLOAT, "Title" TEXT, "Director" TEXT, "Screenwriter" TEXT, "Original airdate" TEXT, "English airdate" TEXT)

What are the numbers of episodes that were broadcast on September 1, 2003
SELECT "Episode #" FROM table_1705 WHERE "Original airdate" = 'September 1, 2003'
SELECT "Episode #" FROM "table_1705" WHERE "Original airdate" = 'September 1, 2003'