CREATE TABLE table_23861 ("No. in series" FLOAT, "No. in season" FLOAT, "Title" CLOB, "Directedby" CLOB, "Writtenby" CLOB, "Originalairdate" CLOB, "Production code" CLOB, "U.S.viewers  ( million ) " CLOB)

what is the written by and production code is 3wab03?
SELECT "Writtenby" FROM table_23861 WHERE "Production code" = '3WAB03'
SELECT "Writtenby" FROM "table_23861" WHERE "Production code" = '3WAB03'