select eg.grade_name, eg.grade_plural_name from evaluation_grades eg, cr_items cri where eg.grade_item_id = :grade_item_id and cri.live_revision = eg.grade_id select ets.solution_id from evaluation_tasks_sols ets, cr_items cri where ets.task_item_id = :task_item_id and cri.live_revision = ets.solution_id