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 .
 location: Dallas; location: Vickery
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Dallas, Vickery 
Answer:
 location: Dallas; location: Vickery