CREATE TABLE table_18070 ("No. in series" FLOAT, "No. in season" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT, "U.S. viewers  ( million ) " TEXT)

What is the episode number for 'here I go again'?
SELECT MIN("No. in series") FROM table_18070 WHERE "Title" = 'Here I Go Again'
SELECT MIN("No. in series") FROM "table_18070" WHERE "Title" = 'Here I Go Again'