through which countries does the wind river flow ?
select distinct var_uri where brack_open dbr_Wind_River_ attr_open Yukon–Koyukuk_Census_Area,_Alaska attr_close dbp_country var_uri sep_dot dbr_Wind_River_ attr_open Yukon–Koyukuk_Census_Area,_Alaska attr_close rdf_type dbo_Riverbrack_close