text: 
  select COUNT(distinct account.display_name)
  from
  tag t1, site s1, question q1, tag_question tq1, so_user u1, comment c1,
  account
  where
  -- underappreciated (high votes, low views) questions with at least one comment
  s1.site_name='serverfault' and
  t1.name in ('openshift-origin', 'error-handling') and
  t1.site_id = s1.site_id and
  q1.site_id = s1.site_id and
  tq1.site_id = s1.site_id and
  tq1.question_id = q1.id and
  tq1.tag_id = t1.id and
  q1.owner_user_id = u1.id and
  q1.site_id = u1.site_id and
  c1.site_id = q1.site_id and
  c1.post_id = q1.id and
  c1.score > q1.score and
  
  -- to get the display name
  account.id = u1.account_id;
  
  