Table schema:
CREATE TABLE region (region_id VARCHAR, region_name VARCHAR); CREATE TABLE affected_region (region_id VARCHAR, storm_id VARCHAR); CREATE TABLE storm (name VARCHAR, storm_id VARCHAR)

Question: Show all storm names affecting region "Denmark".
SQL: SELECT T3.name FROM affected_region AS T1 JOIN region AS T2 ON T1.region_id = T2.region_id JOIN storm AS T3 ON T1.storm_id = T3.storm_id WHERE T2.region_name = 'Denmark'