17907
A product of Real Valladolid 's youth system , he made his debut with the first team on 8 February 2004 in a 0 – 2 away defeat against RCD Espanyol , but only managed , however , six appearances with the main squad in his first two professional seasons combined .
 Real Valladolid, RCD Espanyol
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:
 Real Valladolid, RCD Espanyol