nlwiktionary Metapage titles starting with lower case

SQL

USE nlwiktionary_p;
SELECT 
	pl.page_namespace AS ns, 
    pl.page_title AS lct, 
    pl.page_is_redirect AS lcrd, 
    pu.page_title AS uct, 
    pu.page_is_redirect AS ucrd, 
    LOWER(CONVERT(pu.page_title USING UTF8MB4)) AS lcuct
FROM page pl, page pu
WHERE
	pl.page_namespace NOT IN (0, 1, 2, 3, 8, 9) AND
    pl.page_namespace=pu.page_namespace AND
    CONVERT(pl.page_title USING UTF8MB4) REGEXP '^\\p{Ll}' AND
    CONVERT(pu.page_title USING UTF8MB4) REGEXP '^\\p{Lu}' AND
    LENGTH(pl.page_title)=LENGTH(pu.page_title) /*AND
    ((
      LENGTH(pl.page_title)=1 AND
      pl.page_title=LOWER(CONVERT(pu.page_title USING UTF8MB4))
    ) OR (
      LENGTH(pl.page_title)>1 AND
      LEFT(pl.page_title,1)=LOWER(CONVERT(LEFT(pu.page_title,1) USING UTF8MB4)) AND
      RIGHT(pl.page_title,LENGTH(pl.page_title)-1)=RIGHT(pu.page_title,LENGTH(pu.page_title)-1)
    ))*/
LIMIT 10
SQL

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