What is the most points when the won is 9?
CREATE TABLE table_17919 (
    "Position" real,
    "Club" text,
    "Played" real,
    "Won" real,
    "Drawn" real,
    "Lost" real,
    "Pts For" real,
    "Pts Agst" real,
    "B.P." real,
    "Points" real
)
SELECT MAX("Pts For") FROM table_17919 WHERE "Won" = '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: What is the most points when the won is 9? ### Input: CREATE TABLE table_17919 (
    "Position" real,
    "Club" text,
    "Played" real,
    "Won" real,
    "Drawn" real,
    "Lost" real,
    "Pts For" real,
    "Pts Agst" real,
    "B.P." real,
    "Points" real
) ### Response: SELECT MAX("Pts For") FROM table_17919 WHERE "Won" = '9'