Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Year | Album | Release type | Label | Hungarian top 40 album charts |
| --- | --- | --- | --- | --- |
| 2003.0 | A walesi bárdok | demo | Self-released | — |
| 2004.0 | Fergeteg | Studio album | Hammer Music / Nail Records | — |
| 2006.0 | Jégbontó | Studio album | Hammer Music / Nail Records | — |
| 2007.0 | Kikelet | Studio album | Hammer Music / Nail Records | 4 |
| 2008.0 | Szelek | Studio album | Hammer Music / Nail Records | 2 |
| 2009.0 | Arany-album | Studio album | Hammer Music / Nail Records | 4 |
| 2011.0 | Ígéret | Studio album | AFM Records | 6 |
| 2012.0 | Napisten Hava | Studio album | Hammer Music / Nail Records | 3 |
Question:
What was the name of the album that was a demo release?
Answer:
A walesi bárdok