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:
| Date | Week (Stage) | Song choice | Original artist | Theme | Result |
| --- | --- | --- | --- | --- | --- |
| 11 February 2011 | Week 1 (Top 9) | "Just the Way You Are" | Bruno Mars | Free choice | Safe |
| 18 February 2011 | Week 2 (Top 8) | "Can't Buy Me Love" | The Beatles | The Beatles songs | Safe |
| 25 February 2011 | Week 3 (Top 7) | "De første kærester på månen" | tv.2 | Songs from the 2000s | Safe |
| 4 March 2011 | Week 4 (Top 6) | "Numb" | Linkin Park | Rock songs | Safe |
| 11 March 2011 | Week 5 (Top 5) | "Hurt" | Christina Aguilera | Free choice (with Danish National Chamber Orchestra | Safe |
| 18 March 2011 | Week 6 (Top 4) | "DJ Got Us Fallin' in Love" | Usher feat. Pitbull | DJ Night with Rune RK and Kato | Safe |
| 18 March 2011 | Week 6 (Top 4) | "Baby" | Justin Bieber | Free choice | Safe |
| 25 March 2011 | Week 7 (Final 3) | "The Flood"* | Take That | Joint song with guest Take That\nperformed jointly with The Kidz\n(Booba, Sarah and Annelouise | Third |
| 25 March 2011 | Week 7 (Final 3) | "All the Right Moves" | OneRepublic | Free choice | Third |
| 25 March 2011 | Week 7 (Final 3) | "Back to the 80s" | Aqua | Joint song with guest Aqua | Third |
Question:
what was the number of weeks songs were performed?
Answer:
7