CREATE TABLE table_3100 ("No." FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT, "Production code" TEXT, "U.S. viewers  ( million ) " TEXT)

How many dates did 'Rebecca's one night stand' originally air on?
SELECT COUNT("Original air date") FROM table_3100 WHERE "Title" = 'Rebecca''s One Night Stand'
SELECT COUNT("Original air date") FROM "table_3100" WHERE "Title" = 'Rebecca\'s One Night Stand'