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:
| Dance | Best dancer(s) | Best score | Worst dancer(s) | Worst score |
| --- | --- | --- | --- | --- |
| Cha-cha-cha Face-off | Kristi Yamaguchi Kristi Yamaguchi | 28 30 | Penn Jillette Jason Taylor | 16 24 |
| Foxtrot | Jason Taylor | 28 | Monica Seles Adam Carolla | 15 |
| Quickstep | Jason Taylor | 30 | Penn Jillette | 17 |
| Mambo | Cristián de la Fuente | 29 | Monica Seles | 15 |
| Jive | Kristi Yamaguchi | 30 | Marissa Jaret Winokur | 19 |
| Tango | Jason Taylor Kristi Yamaguchi | 29 | Steve Guttenberg Adam Carolla Mario | 21 |
| Viennese Waltz | Jason Taylor | 29 | Priscilla Presley | 22 |
| Paso Doble | Kristi Yamaguchi | 29 | Adam Carolla | 19 |
| Rumba | Kristi Yamaguchi | 29 | Priscilla Presley | 21 |
| Samba | Cristián de la Fuente | 29 | Cristián de la Fuente | 21 |
| Freestyle | Kristi Yamaguchi | 30 | Cristián de la Fuente | 26 |
Question:
What is the dance that has priscilla presley is the worst dancer(s), and the worst score of 21?
Answer:
Rumba