CREATE TABLE table_18066 ("No. in series" FLOAT, "No. in season" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT)

What's the title of the episode directed by David von Ancken, with a episode number bigger than 16.0?
SELECT "Title" FROM table_18066 WHERE "Directed by" = 'David Von Ancken' AND "No. in series" > '16.0'
SELECT "Title" FROM "table_18066" WHERE "Directed by" = 'David Von Ancken' AND "No. in series" > '16.0'