CREATE TABLE table_63546 ("Children of Earth" CLOB, "Run time" CLOB, "Writer" CLOB, "Director" CLOB, "Original airdate" CLOB, "Viewers  ( including HD )  in millions" CLOB)

Who was the director of the episode written by Russell T Davies and James Moran?
SELECT "Director" FROM table_63546 WHERE "Writer" = 'russell t davies and james moran'
SELECT "Director" FROM "table_63546" WHERE "Writer" = 'russell t davies and james moran'