CREATE TABLE race (Race_ID INT, Name TEXT, Class TEXT, Date TEXT, Track_ID TEXT)
CREATE TABLE track (Track_ID INT, Name TEXT, Location TEXT, Seating FLOAT, Year_Opened FLOAT)

Show the race class and number of races in each class, and could you display bar from low to high order please?
SELECT Class, COUNT(*) FROM race GROUP BY Class ORDER BY Class
SELECT "Class", COUNT(*) FROM "race" GROUP BY "Class" ORDER BY "Class" NULLS FIRST