88267
Participated at the 1986 World Aquatics Championships in Madrid , where he finished 24th in the 1500m free , 27th in the 400m free , and 30th in the 200m butterfly .
 Madrid
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Madrid