CREATE TABLE song (song_name CLOB, artist_name CLOB, country CLOB, f_id NUMBER, genre_is CLOB, rating NUMBER, languages CLOB, releasedate TIME, resolution NUMBER)
CREATE TABLE artist (artist_name CLOB, country CLOB, gender CLOB, preferred_genre CLOB)
CREATE TABLE genre (g_name CLOB, rating CLOB, most_popular_in CLOB)
CREATE TABLE files (f_id NUMBER, artist_name CLOB, file_size CLOB, duration CLOB, formats CLOB)

What is the language used most often in the songs?
SELECT languages FROM song GROUP BY languages ORDER BY COUNT(*) DESC LIMIT 1
SELECT "languages" FROM "song" GROUP BY "languages" ORDER BY COUNT(*) DESC FETCH FIRST 1 ROWS ONLY