What are the numbers of constructors for different nationalities?
SELECT count(*) ,  nationality FROM constructors GROUP BY nationality
SELECT count(*) ,  nationality FROM constructors GROUP BY nationality
[{'count(*)': 39, 'nationality': 'American'}, {'count(*)': 1, 'nationality': 'Australian'}, {'count(*)': 1, 'nationality': 'Austrian'}, {'count(*)': 1, 'nationality': 'Belgium'}, {'count(*)': 1, 'nationality': 'Brazilian'}, {'count(*)': 85, 'nationality': 'British'}, {'count(*)': 2, 'nationality': 'Canadian'}, {'count(*)': 3, 'nationality': 'Dutch'}, {'count(*)': 1, 'nationality': 'East German'}, {'count(*)': 12, 'nationality': 'French'}, {'count(*)': 10, 'nationality': 'German'}, {'count(*)': 1, 'nationality': 'Hong Kong'}, {'count(*)': 1, 'nationality': 'Indian'}, {'count(*)': 1, 'nationality': 'Irish'}, {'count(*)': 29, 'nationality': 'Italian'}, {'count(*)': 5, 'nationality': 'Japanese'}, {'count(*)': 2, 'nationality': 'Malaysian'}, {'count(*)': 1, 'nationality': 'Mexican'}, {'count(*)': 1, 'nationality': 'New Zealand'}, {'count(*)': 1, 'nationality': 'Rhodesian'}, {'count(*)': 2, 'nationality': 'Russian'}, {'count(*)': 3, 'nationality': 'South African'}, {'count(*)': 1, 'nationality': 'Spanish'}, {'count(*)': 4, 'nationality': 'Swiss'}]