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 | Room | Winning Couple | 2nd Couple | 3rd Couple | Chumps |
| --- | --- | --- | --- | --- | --- |
| 1 | Guest Bedroom 1 | Alisa and Lysandra | Kyal and Kara/Brad and Dale | Chantelle and Steve |  |
| 2 | Downstairs Bathrooms, Laundry & Terrace | Brad and Dale | Alisa and Lysandra | Chantelle and Steve | Kyal and Kara |
| 3 | Guest Bedroom 2 | Kyal and Kara | Chantalle and Steve | Alisa and Lysandra | Brad and Dale |
| 4 | Upstairs Bathroom | Kyal and Kara | Brad and Dale | Chantelle and Steve | Alisa and Lysandra |
| 5 | Kitchen | Alisa and Lysandra | Kyal and Kara | Brad and Dale | Chantelle and Steve |
| 6 | Living Room and Dining Room | Chantelle and Steve | Alisa and Lysandra | Brad and Dale / Kyal and Kara |  |
| 7 | Master Bedroom and Ensuite | Brad and Dale | Chantelle and Steve | Alisa and Lysandra | Kyal and Kara |
| 8 | Rooftop/Outside Terrace | Kyal and Kara | Brad and Dale | Alisa and Lysandra | Chantelle and Steve |
Question:
what room was previous to week 5?
Answer:
Upstairs Bathroom