List the group name has the most downloaded that have released jazz genres from 1982 or later.
the most downloaded refers to MAX(totalSnatched); tag = 'jazz'; from 1982 or later refers to groupYear ≥ 1982;
SELECT T1.groupName FROM torrents AS T1 INNER JOIN tags AS T2 ON T1.id = T2.id WHERE T2.tag = 'jazz' AND T1.groupYear >= 1982 ORDER BY T1.totalSnatched DESC LIMIT 1