which river ends at kachi mayu and kachi mayu ?
SELECT DISTINCT var_uri where brack_open var_uri dbo_riverMouth dbr_Kachi_Mayu_ attr_open Oruro attr_close sep_dot var_uri dbo_riverMouth dbr_Kachi_Mayu_ attr_open Oruro attr_close sep_dot var_uri a dbo_River brack_close