20570
Former Prime Minister Syed Yousaf Raza Gillani was the chief guest of the ceremony .
 Syed Yousaf Raza Gillani
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Syed Yousaf Raza Gillani