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 | Title | Album | UK | B-sides |
| --- | --- | --- | --- | --- |
| 2004 | "Kim Wilde" (Download-only) | Grey Will Fade | — |  |
| 2004 | "Summer" | Grey Will Fade | 31 | Commodore; SMUT |
| 2005 | "Bastardo" | Grey Will Fade | 31 | 3 Minutes; I Am a Kamera |
| 2006 | "Behave" | The Deep Blue | 168 | Mr. Ed; Cousteau (Extended Version);\nBehave (Luke Smith Clor Remix) |
| 2007 | "I Want You to Know" | The Deep Blue | 108 | Sister Universe; Suspiria |
| 2007 | "Siberia" | The Deep Blue | — | Last Night; This Is Pop; I Don't Need Anyone |
| 2007 | "Again" | The Deep Blue | — | Again (acoustic) |
| 2007 | "CH V FD (Deep Blue remixes)" | Non-album single | — | Dawn Treader (Fredmix); It Isn't Over (Fredmix) |
| 2009 | "White" | New Worlds | — | White (Squarepusher Remix); White (Adem Remix);\nWhite (Heartbeat Remix) |
| 2009 | "Alexander" | New Worlds | — | Alexander (Radio Edit);\nAlexander (Blacknred Remix) |
Question:
how many titles were in 2007?
Answer:
4