Database: formula_1
Question: How many drivers from the UN participated in the 2008 Australian Grand Prix?
SQL: SELECT COUNT(*) FROM drivers AS T1 INNER JOIN results AS T2 ON T1.driverId = T2.driverId INNER JOIN races AS T3 ON T3.raceId = T2.raceId WHERE T3.name = 'Australian Grand Prix' AND T1.nationality = 'British' AND T3.year = 2008