What is the Points against for the ystradgynlais rfc club?
CREATE TABLE table_38288 (
    "Club" text,
    "Played" text,
    "Drawn" text,
    "Lost" text,
    "Points for" text,
    "Points against" text,
    "Tries for" text,
    "Tries against" text,
    "Try bonus" text
)
SELECT "Points against" FROM table_38288 WHERE "Club" = 'ystradgynlais rfc'
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 Points against for the ystradgynlais rfc club? ### Input: CREATE TABLE table_38288 (
    "Club" text,
    "Played" text,
    "Drawn" text,
    "Lost" text,
    "Points for" text,
    "Points against" text,
    "Tries for" text,
    "Tries against" text,
    "Try bonus" text
) ### Response: SELECT "Points against" FROM table_38288 WHERE "Club" = 'ystradgynlais rfc'