text: SELECT
      tagName AS 'tag:STRING',
      8 + (SELECT sum(x) FROM (SELECT unicode(unnest(string_split(tagName, ''))) AS x)) % 9 AS 'delta:INT'
  FROM (
      SELECT
          tagName,
          frequency AS freq,
          abs(frequency - (SELECT percentile_disc(0.27) WITHIN GROUP (ORDER BY frequency) FROM tagNumMessages)) AS diff
      FROM tagNumMessages
      ORDER BY diff, tagName
      LIMIT 400
  )
  ORDER BY md5(tagName)
  