During round 8 when the Position being picked was rb, what was the highest overall pick?
CREATE TABLE table_50584 (
    "Round" real,
    "Pick" real,
    "Overall" real,
    "Name" text,
    "Position" text,
    "College" text
)
SELECT MAX("Overall") FROM table_50584 WHERE "Position" = 'rb' AND "Round" = '8'
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: During round 8 when the Position being picked was rb, what was the highest overall pick? ### Input: CREATE TABLE table_50584 (
    "Round" real,
    "Pick" real,
    "Overall" real,
    "Name" text,
    "Position" text,
    "College" text
) ### Response: SELECT MAX("Overall") FROM table_50584 WHERE "Position" = 'rb' AND "Round" = '8'