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

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'