CREATE TABLE vocals (songid DECIMAL, bandmate DECIMAL, type TEXT)
CREATE TABLE band (id DECIMAL, firstname TEXT, lastname TEXT)
CREATE TABLE albums (aid DECIMAL, title TEXT, year DECIMAL, label TEXT, type TEXT)
CREATE TABLE tracklists (albumid DECIMAL, position DECIMAL, songid DECIMAL)
CREATE TABLE songs (songid DECIMAL, title TEXT)
CREATE TABLE performance (songid DECIMAL, bandmate DECIMAL, stageposition TEXT)
CREATE TABLE instruments (songid DECIMAL, bandmateid DECIMAL, instrument TEXT)

What is the label that has the most albums?
SELECT label FROM albums GROUP BY label ORDER BY COUNT(*) DESC LIMIT 1
SELECT "label" FROM "albums" GROUP BY "label" ORDER BY COUNT(*) DESC NULLS LAST LIMIT 1