what is the river that falls into nicholson river and nicholson river ?
SELECT DISTINCT var_uri where brack_open var_uri dbo_riverMouth dbr_Nicholson_River_ attr_open Queensland attr_close sep_dot var_uri dbo_riverMouth dbr_Nicholson_River_ attr_open Queensland attr_close sep_dot var_uri a dbo_River brack_close