What surface was the Australian Open (1) played on?
CREATE TABLE table_75929 (
    "Outcome" text,
    "Year" real,
    "Championship" text,
    "Surface" text,
    "Opponent" text,
    "Score" text
)
SELECT "Surface" FROM table_75929 WHERE "Championship" = 'australian open (1)'
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 surface was the Australian Open (1) played on? ### Input: CREATE TABLE table_75929 (
    "Outcome" text,
    "Year" real,
    "Championship" text,
    "Surface" text,
    "Opponent" text,
    "Score" text
) ### Response: SELECT "Surface" FROM table_75929 WHERE "Championship" = 'australian open (1)'