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:
| Catalogue number | Artist | Release title | Format | Release date |
| --- | --- | --- | --- | --- |
| DW001 | The Clear Spots | Mountain Rock | CD | 2006.0 |
| DW002 | The Clear Spots | Mansion In The Sky | CD | 2005.0 |
| DW003 | Adam Bugaj | Wave Of Tears | CD | 2005.0 |
| DW004 | Ajilvsga | Blood Nocturnes | CD | 2006.0 |
| DW005 | The Clear Spots | Electricity For All | CD | 2005.0 |
| DW006 | Heavy Winged | Echoes Of Silence | CD | 2006.0 |
| DW007 | Niagara Falls / The Clear Spots | Plays Spiral Isles / Smokehouse Debris | CD | 2006.0 |
| DW008 | Alligator Crystal Moth | Bones Of The Great Divide | CD | 2007.0 |
| DW009 | Evening Fires | Evening Fires | CD | 2006.0 |
| DW010 | Flying Sutra | Levitate And Dissolve | CD | 2007.0 |
| DW011 | Anvil Salute | This Is The Voice Of Doom Calling | CD | 2007.0 |
| DW013 | indoorpark | The Neutral Mile | CD | 2008.0 |
| DW014 | United Bible Studies | Airs of Sun and Stone | CD | 2008.0 |
| DW015 | Agitated Radio Pilot | The Rural Arcane | CD | 2008.0 |
| DW016 | The Qoast / Century Plants | Split | CD | 2008.0 |
| DW017 | Evening Fires | Blue Mountain Water | CD | 2008.0 |
| DW018 | Ashtray Navigations | Sugar Head Record | CD | 2009.0 |
| DW019 | The Goner | HH | CD | 2009.0 |
| DW020 | Evening Fires | New Worlds For Old | CD | 2009.0 |
| DW021 | Flying Sutra | Glowering And Glowing Red | CD | 2009.0 |
| DW022 | Enfer Boréal / the.bricoleur / Tuscarora Borealis | Spiritual Machine | CD | 2009.0 |
| DW023 | Evening Fires | Waves In The Air | CD | 2009.0 |
| DW024 | The Goner | Behold A New Traveler | CD | 2010.0 |
Question:
What is the catalogue number for "Waves in the Air"?
Answer:
DW023