What club had 523 points against?
CREATE TABLE table_18955 (
    "Club" text,
    "Played" text,
    "Won" text,
    "Drawn" text,
    "Lost" text,
    "Points for" text,
    "Points against" text,
    "Tries for" text,
    "Points" text
)
SELECT "Club" FROM table_18955 WHERE "Points against" = '523'
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 club had 523 points against? ### Input: CREATE TABLE table_18955 (
    "Club" text,
    "Played" text,
    "Won" text,
    "Drawn" text,
    "Lost" text,
    "Points for" text,
    "Points against" text,
    "Tries for" text,
    "Points" text
) ### Response: SELECT "Club" FROM table_18955 WHERE "Points against" = '523'