CREATE TABLE table_18009 ("No." FLOAT, "#" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT, "Production code" TEXT, "U.S. viewers  ( million ) " TEXT)

How many episodes were aired on the Original air date for 'Circus, Circus'?
SELECT COUNT("Original air date") FROM table_18009 WHERE "Title" = 'Circus, Circus'
SELECT COUNT("Original air date") FROM "table_18009" WHERE "Title" = 'Circus, Circus'