CREATE TABLE company (Company_ID INT, Rank INT, Company TEXT, Headquarters TEXT, Main_Industry TEXT, Sales_billion FLOAT, Profits_billion FLOAT, Assets_billion FLOAT, Market_Value FLOAT)
CREATE TABLE station_company (Station_ID INT, Company_ID INT, Rank_of_the_Year INT)
CREATE TABLE gas_station (Station_ID INT, Open_Year INT, Location TEXT, Manager_Name TEXT, Vice_Manager_Name TEXT, Representative_Name TEXT)

Bar chart of how many headquarters from each headquarters, list names in asc order.
SELECT Headquarters, COUNT(Headquarters) FROM company GROUP BY Headquarters ORDER BY Headquarters
SELECT "Headquarters", COUNT("Headquarters") FROM "company" GROUP BY "Headquarters" ORDER BY "Headquarters" NULLS FIRST