nlwiki Page titles starting with an article w/ bad catsort

SQL

SELECT
	page_namespace AS ns, page_title,
    GROUP_CONCAT(REPLACE(cl_to,'_',' ') SEPARATOR ' | ') AS cl_to,
    REGEXP_SUBSTR(page_title, '^[^_]+') AS pre,
    REPLACE(REGEXP_REPLACE(REGEXP_REPLACE(page_title, '^[^_]+_(.*)$', '\\1'), '_\\(.*\\)$', ''), '_', ' ') AS post
FROM categorylinks, page
WHERE page_namespace IN (0,4,6,8,10,12,14,100,828) AND page_id=cl_from AND cl_sortkey_prefix='' AND cl_to NOT REGEXP '^Wikipedia:' AND
	NOT EXISTS (SELECT * FROM page_props WHERE page_id=pp_page AND pp_propname IN ('disambiguation', 'defaultsort')) AND
	page_title REGEXP '^(De|Het|\'t|Els?|Een|The|An?|Les?|La|Los?|L\'|Une?|Der|Die|Das|Eine?)_\\p{L}' AND
    page_title NOT REGEXP '^(\'t|Het)_([Bb]egon|[Bb]lijft|[Bb]randt|[Hh]eeft|[Ii]s|[Kk]an|[Rr]egent|[Ww]erd|[Zz]ijn|[Zz]omert)_'
GROUP BY page_namespace, page_title
ORDER BY page_namespace, page_title
SQL

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