CREATE TABLE company (Company_ID FLOAT, Name TEXT, Headquarters TEXT, Industry TEXT, Sales_in_Billion FLOAT, Profits_in_Billion FLOAT, Assets_in_Billion FLOAT, Market_Value_in_Billion FLOAT)
CREATE TABLE employment (Company_ID INT, People_ID INT, Year_working INT)
CREATE TABLE people (People_ID INT, Age INT, Name TEXT, Nationality TEXT, Graduation_College TEXT)

Show the number of headquarters from each headquarters, could you order by the total number in ascending?
SELECT Headquarters, COUNT(Headquarters) FROM company GROUP BY Headquarters ORDER BY COUNT(Headquarters)
SELECT "Headquarters", COUNT("Headquarters") FROM "company" GROUP BY "Headquarters" ORDER BY COUNT("Headquarters") NULLS FIRST