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:
| Week | Song choice | Theme | Performance Order | Result |
| --- | --- | --- | --- | --- |
| Audition | " You Are So Beautiful " | Free choice | N/A | Through to bootcamp |
| Bootcamp | " What's Going On " | Free choice | N/A | Through judges' houses |
| Judges' houses | " Billionaire " | Free choice | N/A | Through to live shows |
| Week 1 | " One Sweet Day " | Number-one songs | 3 | Safe |
| Week 2 | " A Song for You " | Musical heroes | 6 | Safe |
| Week 3 | " Zoom " | Guilty Pleasures | 2 | Bottom Two |
| Final Showdown (Week 3) | " Because of You " | Free choice (bottom two performance) | 1 | Eliminated by judges vote |
Question:
What was the theme for the final showdown (week 3)?
Answer:
Free choice (bottom two performance)