17832
He previously played for Sparta Rotterdam ( 2002 – 2006 ) , for whom he scored 54 goals in four seasons as well as RKC Waalwijk and Heracles Almelo .
 Sparta Rotterdam, RKC Waalwijk, Heracles Almelo
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Sparta Rotterdam, RKC Waalwijk, Heracles Almelo