SELECT count(*) FROM results AS T1 JOIN races AS T2 ON T1.raceid = T2.raceid WHERE T2.name = "Australian Grand Prix" AND YEAR = 2009
How many drivers were in the Australian Grand Prix held in 2009?
SELECT count ( * ) FROM results AS T1 JOIN races AS T2 ON T1.raceid = T2.raceid WHERE T2.name = `` Australian Grand Prix '' AND YEAR = 2009
select count ( * ) from results as t1 join races as t2 on t1 . raceid = t2 . raceid where t2 . name = value and year = value
How many drivers were in the Australian Grand Prix held in 2009 ?