Name the 2008 for 2012 being a and tournament of australian open
CREATE TABLE table_name_20 (
    tournament VARCHAR
)
SELECT 2008 FROM table_name_20 WHERE 2012 = "a" AND tournament = "australian open"
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: Name the 2008 for 2012 being a and tournament of australian open ### Input: CREATE TABLE table_name_20 (
    tournament VARCHAR
) ### Response: SELECT 2008 FROM table_name_20 WHERE 2012 = "a" AND tournament = "australian open"