CREATE TABLE table_63545 ("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 Children of Earth of 'day five'?
SELECT "Director" FROM table_63545 WHERE "Children of Earth" = 'day five'
SELECT "Director" FROM "table_63545" WHERE "Children of Earth" = 'day five'