Name the driver with the most winning. Mention his nationality and what is his average point scores.
the most winning refers to MAX(COUNT(wins)); avg(points);
SELECT T1.forename, T1.surname, T1.nationality, AVG(T2.points) FROM drivers AS T1 INNER JOIN driverStandings AS T2 ON T2.driverId = T1.driverId WHERE T2.wins = 1 GROUP BY T1.forename, T1.surname, T1.nationality ORDER BY COUNT(T2.wins) DESC LIMIT 1