CREATE TABLE table_2292 ("No. in series" FLOAT, "No. in season" FLOAT, "Title" CLOB, "Directedby" CLOB, "Writtenby" CLOB, "Originalairdate" CLOB, "Production code" CLOB, "U.S. viewers  ( million ) " CLOB)

Who directed the episode with a production code of 4WAB04?
SELECT "Directedby" FROM table_2292 WHERE "Production code" = '4WAB04'
SELECT "Directedby" FROM "table_2292" WHERE "Production code" = '4WAB04'