CREATE TABLE table_203_349 (id DECIMAL, "no. in\ series" DECIMAL, "no. in\ season" DECIMAL, "title" TEXT, "directed by" TEXT, "written by" TEXT, "original air date" TEXT, "production\ code" TEXT, "u.s. viewers\ ( millions ) " DECIMAL)

in episode 10 the episode was written by matt and nix and what other writer ?
SELECT "written by" FROM table_203_349 WHERE "no. in\nseason" = 10 AND "written by" <> 'matt nix'
SELECT "written by" FROM "table_203_349" WHERE "no. in\nseason" = 10 AND "written by" <> 'matt nix'