CREATE TABLE table_name_43 (tournament VARCHAR2)

What is the 2010 value with A in 2009 and A in 2008 in the Australian Open?
SELECT 2010 FROM table_name_43 WHERE 2009 = "a" AND 2008 = "a" AND tournament = "australian open"
SELECT 2010 FROM "table_name_43" WHERE "a" = 2008 AND "a" = 2009 AND "australian open" = "tournament"