what is the river that falls into san mateo creek and san mateo creek ?
SELECT DISTINCT var_uri where brack_open var_uri dbo_riverMouth dbr_San_Mateo_Creek_ attr_open San_Francisco_Bay_Area attr_close sep_dot var_uri dbo_riverMouth dbr_San_Mateo_Creek_ attr_open San_Francisco_Bay_Area attr_close sep_dot var_uri a dbo_River brack_close