What are the names of storms that did not affect any regions?
SELECT name FROM storm WHERE storm_id NOT IN (SELECT storm_id FROM affected_region)
SELECT name FROM storm WHERE storm_id NOT IN (SELECT storm_id FROM affected_region)
[{'Name': 'Two'}, {'Name': 'Six'}, {'Name': 'Seven'}, {'Name': 'Eight'}, {'Name': 'Nine'}, {'Name': '9 cyclones'}]