23000
The Dallas City Council unanimously approved the Vickery Place Conservation District on June 28 , 2006 , as a result of a concerted community effort to halt the destruction of historic homes and the construction of larger houses inappropriate for the neighborhood .
 Dallas, Vickery
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Dallas, Vickery