CREATE TABLE mountain (id DECIMAL, name TEXT, height DECIMAL, prominence DECIMAL, range TEXT, country TEXT)
CREATE TABLE camera_lens (id DECIMAL, brand TEXT, name TEXT, focal_length_mm DECIMAL, max_aperture DECIMAL)
CREATE TABLE photos (id DECIMAL, camera_lens_id DECIMAL, mountain_id DECIMAL, color TEXT, name TEXT)

Find the brand and name for each camera lens, and sort in descending order of maximum aperture.
SELECT brand, name FROM camera_lens ORDER BY max_aperture DESC
SELECT "brand", "name" FROM "camera_lens" ORDER BY "max_aperture" DESC NULLS LAST