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

Show the range that has the most number of mountains.
SELECT range FROM mountain GROUP BY range ORDER BY COUNT(*) DESC LIMIT 1
SELECT "range" FROM "mountain" GROUP BY "range" ORDER BY COUNT(*) DESC FETCH FIRST 1 ROWS ONLY