Which episode number drew in 3.84 million viewers in the U.S.?
CREATE TABLE table_72603 (
    "Series #" real,
    "Season #" real,
    "Title" text,
    "Directed by" text,
    "Written by" text,
    "Original air date" text,
    "Production code" text,
    "U.S. viewers (million)" text
)
SELECT MAX("Series #") FROM table_72603 WHERE "U.S. viewers (million)" = '3.84'
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: Which episode number drew in 3.84 million viewers in the U.S.? ### Input: CREATE TABLE table_72603 (
    "Series #" real,
    "Season #" real,
    "Title" text,
    "Directed by" text,
    "Written by" text,
    "Original air date" text,
    "Production code" text,
    "U.S. viewers (million)" text
) ### Response: SELECT MAX("Series #") FROM table_72603 WHERE "U.S. viewers (million)" = '3.84'