What was the series number of the episode directed by Rob Bailey?
CREATE TABLE table_1048 (
    "Series #" real,
    "Season #" real,
    "Title" text,
    "Story by" text,
    "Teleplay by" text,
    "Directed by" text,
    "Original air date" text
)
SELECT MAX("Series #") FROM table_1048 WHERE "Directed by" = 'Rob Bailey'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: What was the series number of the episode directed by Rob Bailey? ### Input: CREATE TABLE table_1048 (
    "Series #" real,
    "Season #" real,
    "Title" text,
    "Story by" text,
    "Teleplay by" text,
    "Directed by" text,
    "Original air date" text
) ### Response: SELECT MAX("Series #") FROM table_1048 WHERE "Directed by" = 'Rob Bailey'