285635
It appears to have originated in the town of Aguilar de Campo in the Province of Palencia , Castile and León .
 Province of Palencia, Castile and León
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Province of Palencia, Castile and León