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

What are the top 20 instrumental albums since 2000?
SELECT T2.groupname FROM torrents AS T2 JOIN tags AS T1 ON T1.id = T2.id WHERE T1.tag = "instrumental" AND T2.releasetype = "album" AND groupyear >= 2000 ORDER BY T2.totalsnatched DESC LIMIT 20
SELECT "T2"."groupname" FROM "torrents" AS "T2" JOIN "tags" AS "T1" ON "T1"."id" = "T2"."id" AND "T1"."tag" = "instrumental" WHERE "T2"."releasetype" = "album" AND "groupyear" >= 2000 ORDER BY "T2"."totalsnatched" DESC NULLS LAST LIMIT 20