WLM MMXII-MMXV, WLE MMXIII-MMXVI in Ukraine participants

SQL

-- it is supposed to be counter of all participants from WLM MMXII - MMXV in Ukraine.
-- Number should count unique users and not just sum up the nums for all 4 cats

select rev_user_text
FROM commonswiki_p.revision 
WHERE rev_parent_id = 0
AND rev_page IN(
  SELECT cl_from
  FROM commonswiki_p.categorylinks
  WHERE cl_to IN (
  "Images_from_Wiki_Loves_Monuments_2012_in_Ukraine",
  "Images_from_Wiki_Loves_Monuments_2013_in_Ukraine",
  "Images_from_Wiki_Loves_Monuments_2014_in_Ukraine",
  "Images_from_Wiki_Loves_Monuments_2015_in_Ukraine",
  "Images_from_Wiki_Loves_Earth_2013_in_Ukraine",
  "Images_from_Wiki_Loves_Earth_2014_in_Ukraine",
  "Images_from_Wiki_Loves_Earth_2015_in_Ukraine",
  "Images_from_Wiki_Loves_Earth_2016_in_Ukraine"
  )
)
GROUP BY rev_user_text
ORDER BY rev_user_text ASC
SQL

Checking query status...
