What are the countries of perpetrators? Show each country and the corresponding number of perpetrators there.
SELECT Country ,  COUNT(*) FROM perpetrator GROUP BY Country
SELECT Country ,  COUNT(*) FROM perpetrator GROUP BY Country
[{'Country': 'China', 'COUNT(*)': 2}, {'Country': 'India', 'COUNT(*)': 1}, {'Country': 'Japan', 'COUNT(*)': 1}, {'Country': 'South Korea', 'COUNT(*)': 1}]