How many different counts of the Raiders first downs are there for the game number 9?
CREATE TABLE table_72985 (
    "Game" real,
    "Date" text,
    "Opponent" text,
    "Result" text,
    "Raiders points" real,
    "Opponents" real,
    "Raiders first downs" real,
    "Record" text,
    "Attendance" real
)
SELECT COUNT("Raiders first downs") FROM table_72985 WHERE "Game" = '9'
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: How many different counts of the Raiders first downs are there for the game number 9? ### Input: CREATE TABLE table_72985 (
    "Game" real,
    "Date" text,
    "Opponent" text,
    "Result" text,
    "Raiders points" real,
    "Opponents" real,
    "Raiders first downs" real,
    "Record" text,
    "Attendance" real
) ### Response: SELECT COUNT("Raiders first downs") FROM table_72985 WHERE "Game" = '9'