CREATE TABLE table_74206 ("Series #" FLOAT, "Season #" CLOB, "Title" CLOB, "Directed by" CLOB, "Written by" CLOB, "Original air date" CLOB, "U.S. viewers  ( millions ) " CLOB)

Who wrote episode 23 in the season?
SELECT "Written by" FROM table_74206 WHERE "Season #" = '23'
SELECT "Written by" FROM "table_74206" WHERE "Season #" = '23'