People in Red testbed

SQL

WITH names AS (
  WITH RECURSIVE deepcat (subcat, depth) AS
  (
    SELECT 'Feminine_given_names', 0
    UNION
    SELECT page_title, depth + 1
    FROM deepcat
    JOIN categorylinks ON cl_type = "subcat" AND cl_to = subcat
    JOIN page ON page_id = cl_from AND page_namespace = 14 AND page_title LIKE "%eminine%"
    WHERE depth < 4
  )
SELECT DISTINCT SUBSTRING_INDEX(page_title, "_", 1) AS name
  FROM deepcat
  JOIN categorylinks ON cl_type = "page" AND cl_to = subcat
  JOIN page ON page_id = cl_from AND page_namespace = 0 AND page_title NOT BETWEEN "A" AND "Zzz"
)
SELECT pl_title Target, SUM(Pt.page_title IS NULL) LinkCount, MIN(Pf.page_title) ExampleLink1, MAX(Pf.page_title) ExampleLink2
FROM pagelinks
LEFT JOIN page Pt ON Pt.page_namespace=0 AND Pt.page_title=pl_title
JOIN names ON name=SUBSTRING_INDEX(pl_title, "_", 1)
JOIN page Pf ON Pf.page_id=pl_from AND NOT (Pf.page_namespace=0 AND Pf.page_title REGEXP "^(.*\\D)?(19|20)\\d\\d(?!\\d)")
WHERE pl_from_namespace IN (0, 10) AND pl_namespace=0 AND pl_title  NOT BETWEEN "A" AND "Zzz"
AND pl_title REGEXP "^\\p{Lu}\\p{Ll}+_(\\p{Lu}(\\p{Ll}+_|\\._?))*\\p{Lu}\\p{Ll}+(_\\(.*\\))?$"
GROUP BY Target
HAVING MAX(pl_from_namespace) = 0 AND LinkCount>=5
ORDER BY LinkCount DESC, Target
SQL

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