6393
In Jordan , there is no official census data for how many inhabitants have Palestinian roots but they are estimated to constitute half of the population , which in 2008 amounted to about 3 million .
 location: Jordan
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: Jordan