CREATE TABLE table_16266 ("No. in series" FLOAT, "No. in season" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT, "U.S. viewers  ( millions ) " TEXT)

How many episodes were titled 'identity crisis'?
SELECT COUNT("Directed by") FROM table_16266 WHERE "Title" = 'Identity Crisis'
SELECT COUNT("Directed by") FROM "table_16266" WHERE "Title" = 'Identity Crisis'