text: USE olympics2016;
  
  INSERT INTO country_standings(country, golds, silvers, bronzes) VALUES ('Russia', 0, 0, 0);
  INSERT INTO country_standings(country, golds, silvers, bronzes) VALUES ('South Korea', 0, 0, 0);
  
  DELETE FROM country_standings where country='Cuba';
  DELETE FROM country_standings where country='Hungary';
  
  CALL calculate_team_standings;
  