Question: The Sixth Day: Single Collection - The Sixth Day: Single Collection is a compilation album released by Gackt on February 25 2004. The album collects the artist's previous single's title songs some of them having been re-recorded for this release. The Sixth Day complements The Seventh Night an unplugged album released three months later. Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
Answer:
Album