58692
Renault confirmed Giancarlo Fisichella and Heikki Kovalainen as their race drivers for 2007 with Nelson Piquet Jr. and Ricardo Zonta as test drivers .
 Renault, Giancarlo Fisichella, Heikki Kovalainen, Nelson Piquet Jr., Ricardo Zonta
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Renault, Giancarlo Fisichella, Heikki Kovalainen, Nelson Piquet Jr., Ricardo Zonta