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)

Create a bar chart showing how many class across class, show by the X-axis in ascending.
SELECT Class, COUNT(Class) FROM race GROUP BY Class ORDER BY Class
SELECT "Class", COUNT("Class") FROM "race" GROUP BY "Class" ORDER BY "Class" NULLS FIRST