-- Database schema
| torrents : groupName [ TEXT ] , totalSnatched [ INTEGER ] , artist [ TEXT ] , groupYear [ INTEGER ] , releaseType [ TEXT ] , groupId [ INTEGER ] , id [ INTEGER ] primary_key | tags : index [ INTEGER ] primary_key , id [ INTEGER ] , tag [ TEXT ] |
-- -- How many singles were released in 1979?

SELECT COUNT(releaseType) FROM torrents WHERE releaseType LIKE 'single' AND groupYear = 1979;