select g.group_name, g.group_id as evaluation_group_id, count(map.object_id_two) as number_of_members from groups g, acs_rels map, evaluation_task_groups etg, evaluation_tasks et where map.object_id_one = g.group_id and g.group_id = etg.group_id and etg.task_item_id = et.task_item_id and et.task_id = :task_id group by g.group_id, g.group_name $orderby