CREATE TABLE climber (climber_id DECIMAL, name TEXT, country TEXT, time TEXT, points DECIMAL, mountain_id DECIMAL)
CREATE TABLE mountain (mountain_id DECIMAL, name TEXT, height DECIMAL, prominence DECIMAL, range TEXT, country TEXT)

List the names of mountains that do not have any climber.
SELECT name FROM mountain WHERE NOT mountain_id IN (SELECT mountain_id FROM climber)
SELECT "name" FROM "mountain" WHERE NOT "mountain_id" IN (SELECT "mountain_id" FROM "climber")