what is the river that falls into arroyo de la laguna and arroyo de la laguna ?
SELECT DISTINCT var_uri where brack_open var_uri dbo_riverMouth dbr_Arroyo_de_la_Laguna sep_dot var_uri dbo_riverMouth dbr_Arroyo_de_la_Laguna sep_dot var_uri a dbo_River brack_close