CREATE TABLE table_28115 ("Series #" FLOAT, "Season #" FLOAT, "Title" TEXT, "Director" TEXT, "Writer ( s ) " TEXT, "Airdate" TEXT)

Who directed episode number 626 in the series?
SELECT "Director" FROM table_28115 WHERE "Series #" = '626'
SELECT "Director" FROM "table_28115" WHERE "Series #" = '626'