37531
Regional lines Mitjana distància or Media distancia Renfe ( in catalan or castilian ( also called Catalunya Exprés : Ca lines ) there are 9 lines ( Ca1 - Ca2 - Ca3 - Ca4 - Ca5 - Ca6 - Ca7 - R43 - L7 ) .
 Renfe, Catalunya
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Renfe, Catalunya