what is the river that falls into apa mare and apa mare ?
SELECT DISTINCT var_uri where brack_open var_uri dbo_riverMouth dbr_Apa_Mare_ attr_open Bega attr_close sep_dot var_uri dbo_riverMouth dbr_Apa_Mare_ attr_open Bega attr_close sep_dot var_uri a dbo_River brack_close