name the river with mouth palce kanangra-boyd national park and source place as kanangra-boyd national park ?
SELECT DISTINCT var_uri where brack_open var_uri dbo_mouthPlace dbr_Kanangra-Boyd_National_Park sep_dot var_uri dbo_sourcePlace dbr_Kanangra-Boyd_National_Park sep_dot var_uri a dbo_River brack_close