20211
As an archeologist , Jacinto Jijón y Caamaño surveyed pre-Hispanic settlement near the town of Manta , mapping the largest structures .
 Jacinto Jijón y Caamaño
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Jacinto Jijón y Caamaño