What are distinct locations where tracks are located?
SELECT DISTINCT LOCATION FROM track
SELECT DISTINCT LOCATION FROM track
[{'Location': 'Fontana, CA'}, {'Location': 'Joliet, IL'}, {'Location': 'Darlington, SC'}, {'Location': 'Daytona Beach, FL'}, {'Location': 'Homestead, FL'}, {'Location': 'Kansas City, KS'}, {'Location': 'Ridgeway, VA'}, {'Location': 'Brooklyn, MI'}, {'Location': 'Avondale, AZ'}]