text: -- SELECT basics
  
  -- 1)
  -- Modify it to show the population of Germany
  SELECT population FROM world
    WHERE name = 'France'
  
  -- Answer  
  SELECT population FROM world
    WHERE name = 'Germany'
  
  
  -- 2)
  -- Show the name and the population for 'Sweden', 'Norway' and 'Denmark'.
  SELECT name, population FROM world
    WHERE name IN ('Brazil', 'Russia', 'India', 'China');
  
  -- Answer  
  SELECT name, population FROM world
    WHERE name IN ('Sweden', 'Norway', 'Denmark');
  
  
  -- 3)
  -- Modify it to show the country and the area for countries with an area between 200,000 and 250,000.
  SELECT name, area FROM world
    WHERE area BETWEEN 250000 AND 300000
    
  -- Answer  
  SELECT name, area FROM world
    WHERE area BETWEEN 200000 AND 250000