what is the river that falls into gull river and gull river ?
SELECT DISTINCT var_uri where brack_open var_uri dbo_riverMouth dbr_Gull_River_ attr_open Balsam_Lake attr_close sep_dot var_uri dbo_riverMouth dbr_Gull_River_ attr_open Balsam_Lake attr_close sep_dot var_uri a dbo_River brack_close