name the route end of the nihonkai-tōhoku expressway and nihonkai-tōhoku expressway ?
SELECT DISTINCT var_uri where brack_open dbr_Nihonkai-Tōhoku_Expressway dbo_routeEnd var_uri sep_dot dbr_Nihonkai-Tōhoku_Expressway dbo_routeEnd var_uri brack_close