human
Schema:
storm (Storm_ID, Name, Dates_active, Max_speed, Damage_millions_USD, Number_Deaths)
region (Region_id, Region_code, Region_name)
affected_region (Region_id, Storm_ID, Number_city_affected)
Please answer with SQL.
assistant
Sure, I understand.
human
Show me the names of all storms that affect more than 1 regions?
assistant
SELECT T1.name FROM storm AS T1 JOIN affected_region AS T2 ON T1.storm_id = T2.storm_id GROUP BY T1.storm_id HAVING COUNT( * ) > 1 ;