What city has the A Class licence?
CREATE TABLE table_name_20 (city_of_license VARCHAR, class VARCHAR)
SELECT city_of_license FROM table_name_20 WHERE class = "a"
### Context: CREATE TABLE table_name_20 (city_of_license VARCHAR, class VARCHAR) ### Question: What city has the A Class licence? ### Answer: SELECT city_of_license FROM table_name_20 WHERE class = "a"