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 # | Theme | Song choice | Original artist | Order # | Result |
| --- | --- | --- | --- | --- | --- |
| Audition | Auditioner's Choice | Unaired | Unaired | N/A | Advanced |
| Hollywood | First Solo | Unaired | Unaired | N/A | Advanced |
| Hollywood | Group Performance | " Bad Romance " | Lady Gaga | N/A | Advanced |
| Hollywood | Second Solo | " Living for the City " | Stevie Wonder | N/A | Advanced |
| Top 24 (12 Women) | Billboard Hot 100 Hits | " All Right Now " | Free | 1 | Safe |
| Top 20 (10 Women) | Billboard Hot 100 Hits | " Walk Away " | Kelly Clarkson | 9 | Safe |
| Top 16 (8 Women) | Billboard Hot 100 Hits | " Smile " | Nat King Cole | 6 | Safe |
| Top 12 | The Rolling Stones | " Honky Tonk Women " | The Rolling Stones | 10 | Bottom 3 |
Question:
How many original artists were there for the Group Performance?
Answer:
1.0