วาดแผนภูมิแท่งสำหรับชื่อของเมืองทุกเมืองที่มีอย่างน้อย 15 สถานี และมีกี่สถานี และเรียงลำดับตามแกน x ตามลำดับ ไม่จำเป็นต้องใช้ตารางทั้งหมด
Draw a bar chart for what is the name of every city that has at least 15 stations and how many stations does it have?, and order by the x axis in desc.It is not neccessary to use all the tables.
 weather:  date [ TEXT]  max_temperature_f [ INTEGER]  mean_temperature_f [ INTEGER]  min_temperature_f [ INTEGER]  max_dew_point_f [ INTEGER]  mean_dew_point_f [ INTEGER]  min_dew_point_f [ INTEGER]  max_humidity [ INTEGER]  mean_humidity [ INTEGER]  min_humidity [ INTEGER]  max_sea_level_pressure_inches [ NUMERIC]  mean_sea_level_pressure_inches [ NUMERIC]  min_sea_level_pressure_inches [ NUMERIC]  max_visibility_miles [ INTEGER]  mean_visibility_miles [ INTEGER]  min_visibility_miles [ INTEGER]  max_wind_Speed_mph [ INTEGER]  mean_wind_speed_mph [ INTEGER]  max_gust_speed_mph [ INTEGER]  precipitation_inches [ INTEGER]  cloud_cover [ INTEGER]  events [ TEXT]  wind_dir_degrees [ INTEGER]  zip_code [ INTEGER] 
SELECT city, COUNT(*) FROM station GROUP BY city ORDER BY city DESC