CREATE TABLE operate_company (id INT, name TEXT, Type TEXT, Principal_activities TEXT, Incorporated_in TEXT, Group_Equity_Shareholding FLOAT)
CREATE TABLE airport (id INT, City TEXT, Country TEXT, IATA TEXT, ICAO TEXT, name TEXT)
CREATE TABLE flight (id INT, Vehicle_Flight_number TEXT, Date TEXT, Pilot TEXT, Velocity FLOAT, Altitude FLOAT, airport_id INT, company_id INT)

Show me the total number by country in a histogram, and order in asc by the bars.
SELECT Country, COUNT(*) FROM airport GROUP BY Country ORDER BY Country
SELECT "Country", COUNT(*) FROM "airport" GROUP BY "Country" ORDER BY "Country" NULLS FIRST