How many albums and Single-Tables were released by the artist named '50 cent' between 2010 and 2015?
albums refer to releaseType = 'album'; releaseType = 'single'; between 2010 and 2015 refers to groupYear between 2010 and 2015;
SELECT COUNT(id), ( SELECT COUNT(id) FROM torrents WHERE groupYear BETWEEN 2010 AND 2015 AND artist LIKE '50 cent' AND releaseType LIKE 'album' ) FROM torrents WHERE groupYear BETWEEN 2010 AND 2015 AND artist LIKE '50 cent' AND releaseType LIKE 'Single'