CREATE TABLE table_1048 ("Series #" FLOAT, "Season #" FLOAT, "Title" CLOB, "Story by" CLOB, "Teleplay by" CLOB, "Directed by" CLOB, "Original air date" CLOB)

What was the series number of the episode directed by Rob Bailey?
SELECT MAX("Series #") FROM table_1048 WHERE "Directed by" = 'Rob Bailey'
SELECT MAX("Series #") FROM "table_1048" WHERE "Directed by" = 'Rob Bailey'