The album "Wolfgang Amadeus Phoenix" is a certified gold album.
The indie pop band Phoenix has released 6 albums.  Phoenix's album "Wolfgang Amadeus Phoenix" sold over 500,000 copies.  A certified gold album or single is one which sold over half a million copies.  "1901" is a single from Phoenix's album "Wolfgang Amadeus Phoenix." Over 400,000 copies of "1901" have been sold. 
AlbumsReleased(phoenix, l6) Album(wolfgangamadeusphoenix) ∧ IsAlbumOf(wolfgangamadeusphoenix, phoenix) ∧ SoldOver(wolfgangamadeusphoenix, l500000) ∀x ((Album(x) ∨ Single(x)) ∧ SoldOver(x, l500000) → CertifiedGold(x)) Single(l1901) ∧ From(l1901, wolfgangamadeusphoenix) ∧ By(l1901, phoenix) SoldOver(l1901, l400000)