what is the river whose source is south fork crooked river and has it's mouth located in deschutes river ?
SELECT DISTINCT var_uri where brack_open var_uri dbo_source dbr_South_Fork_Crooked_River sep_dot var_uri dbo_riverMouth dbr_Deschutes_River_ attr_open Oregon attr_close sep_dot var_uri a dbo_River brack_close