client.delegate = self
client.connect("172.29.XX.XX:1433", username: "XX", password: "XXXX", database: "XXX", completion: {(success:Bool) -> Void in
if success
        {
            client.execute("SELECT * FROM Users" , completion: {(results:NSArray) ->  Void in
            for (table:NSArray in results)
                for (row:NSDictionary in table)
                for (column:NSString in row)
                    NSLog(@"%@=%@", column, row[column])
            client.disconnect


// how to execute second query?
//query cannot enter inner query
            } )
        }
})