CREATE TABLE photos (id DECIMAL, camera_lens_id DECIMAL, mountain_id DECIMAL, color TEXT, name TEXT)
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)

What are the average prominence of the mountains in country 'Morocco'?
SELECT AVG(prominence) FROM mountain WHERE country = 'Morocco'
SELECT AVG("prominence") FROM "mountain" WHERE "country" = 'Morocco'