CREATE TABLE table_24257 ("No. in series" FLOAT, "No. in season" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT, "Production code" FLOAT, "US viewers  ( millions ) " TEXT)

What is the production code for the episode title 'A Wrong Day's Journey into Right'?
SELECT "Production code" FROM table_24257 WHERE "Title" = 'A Wrong Day''s Journey into Right'
SELECT "Production code" FROM "table_24257" WHERE "Title" = 'A Wrong Day\'s Journey into Right'