what is the airport when the city is düsseldorf?
CREATE TABLE table_name_41 (airport VARCHAR, city VARCHAR)
SELECT airport FROM table_name_41 WHERE city = "düsseldorf"
### Context: CREATE TABLE table_name_41 (airport VARCHAR, city VARCHAR) ### Question: what is the airport when the city is düsseldorf? ### Answer: SELECT airport FROM table_name_41 WHERE city = "düsseldorf"