1973
They last met in Washington after clashes in September that killed 60 Palestinians and 15 Israelis .
 else: Palestinians; location: Washington; else: Israelis
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, else, organization, person 
Text: {0} 
Answer:
 else: Palestinians; location: Washington; else: Israelis