CREATE TABLE table_29268 ("No. in series" CLOB, "No. in season" CLOB, "Title" CLOB, "Directed by" CLOB, "Written by" CLOB, "Original air date" CLOB, "Production code" CLOB)

Who wrote the episode in the series 46b?
SELECT "Written by" FROM table_29268 WHERE "No. in series" = '46b'
SELECT "Written by" FROM "table_29268" WHERE "No. in series" = '46b'