What are the top 5 countries by number of invoices and how many do they have?
SELECT billing_country ,  COUNT(*) FROM invoices GROUP BY billing_country ORDER BY count(*) DESC LIMIT 5;
SELECT billing_country ,  COUNT(*) FROM invoices GROUP BY billing_country ORDER BY count(*) DESC LIMIT 5;
[{'billing_country': 'USA', 'COUNT(*)': 91}, {'billing_country': 'Canada', 'COUNT(*)': 56}, {'billing_country': 'France', 'COUNT(*)': 35}, {'billing_country': 'Brazil', 'COUNT(*)': 35}, {'billing_country': 'Germany', 'COUNT(*)': 28}]