List in alphabetic order all different amenities.
SELECT amenity_name FROM dorm_amenity ORDER BY amenity_name
SELECT amenity_name FROM dorm_amenity ORDER BY amenity_name
[{'amenity_name': '4 Walls'}, {'amenity_name': 'Air Conditioning'}, {'amenity_name': 'Allows Pets'}, {'amenity_name': 'Carpeted Rooms'}, {'amenity_name': 'Ethernet Ports'}, {'amenity_name': 'Heat'}, {'amenity_name': 'Kitchen in Every Room'}, {'amenity_name': 'Pub in Basement'}, {'amenity_name': 'Roof'}, {'amenity_name': 'Study Room'}, {'amenity_name': 'TV Lounge'}, {'amenity_name': 'Working Fireplaces'}]