CREATE TABLE table_47893 ("Year" FLOAT, "Album" CLOB, "Release type" CLOB, "Label" CLOB, "Hungarian top 40 album charts" CLOB)

What was the name of the album that was a demo release?
SELECT "Album" FROM table_47893 WHERE "Release type" = 'demo'
SELECT "Album" FROM "table_47893" WHERE "Release type" = 'demo'