What are the names of regions with two or more storms?
SELECT T1.region_name FROM region AS T1 JOIN affected_region AS T2 ON T1.region_id = T2.region_id GROUP BY T1.region_id HAVING count(*)  >=  2
SELECT T1.region_name FROM region AS T1 JOIN affected_region AS T2 ON T1.region_id = T2.region_id GROUP BY T1.region_id HAVING count(*)  >=  2
[{'Region_name': 'Afghanistan'}, {'Region_name': 'Albania'}]