Who made the challenge in the Australian Grand Prix?
CREATE TABLE table_25531112_2 (
    challenge VARCHAR,
    event VARCHAR
)
SELECT challenge FROM table_25531112_2 WHERE event = "Australian Grand Prix"
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: Who made the challenge in the Australian Grand Prix? ### Input: CREATE TABLE table_25531112_2 (
    challenge VARCHAR,
    event VARCHAR
) ### Response: SELECT challenge FROM table_25531112_2 WHERE event = "Australian Grand Prix"