name the office holder whose alma mater is dartmouth college and resting place is riverside cemetery ?
SELECT DISTINCT var_uri where brack_open var_uri dbo_almaMater dbr_Dartmouth_College sep_dot var_uri dbp_restingPlace dbr_Riverside_Cemetery_ attr_open Lewiston,_Maine attr_close sep_dot var_uri a dbo_OfficeHolder brack_close