203523
In the election of 2009 , Omi was the LDP 's candidate ; incumbent Sata only ran in the Northern Kantō proportional representation block .
 Omi, Sata
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Omi, Sata