CREATE TABLE table_28700 ("No. in series" FLOAT, "No. in season" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT, "Production code" FLOAT, "U.S. viewers  ( millions ) " TEXT)

What is the title of the episode with production code 305?
SELECT "Title" FROM table_28700 WHERE "Production code" = '305'
SELECT "Title" FROM "table_28700" WHERE "Production code" = '305'