How Do I Get Gender And Location Of The People Who Liked The Url Posted On Facebook

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ASP.NET

Facebook-API

How do i get gender and location of the people who liked the url posted on facebook
I visited the folowing

https://developers.facebook.com/docs/reference/fql/url_like/

I am able to get the Get Number of Facebook likes, Shares, Comments Count for Url or Website

WebClient web = new WebClient();
string url = string.Format("https://api.facebook.com/method/fql.query?query=SELECT url, share_count, like_count, comment_count, total_count, click_count FROM link_stat where url='" + urltxt + "'");
string response = web.DownloadString(url);
DataSet ds = new DataSet();
using (StringReader stringReader = new StringReader(response))
{
ds=new DataSet();
ds.ReadXml(stringReader);
}