CREATE TABLE tags (index DECIMAL, id DECIMAL, tag TEXT)
CREATE TABLE torrents (groupname TEXT, totalsnatched DECIMAL, artist TEXT, groupyear DECIMAL, releasetype TEXT, groupid DECIMAL, id DECIMAL)

Which kind of release type is the most popular?
SELECT releasetype FROM torrents GROUP BY releasetype ORDER BY SUM(totalsnatched) DESC LIMIT 1
SELECT "releasetype" FROM "torrents" GROUP BY "releasetype" ORDER BY SUM("totalsnatched") DESC NULLS LAST LIMIT 1