Mathematics Genealogy URL no Wikidata

SQL

SELECT DISTINCT CONVERT(enp.page_title USING UTF8) AS page_title
FROM eswiki_p.`page` enp, eswiki_p.externallinks enel, eswiki_p.page_props, wikidatawiki_p.page wdp
LEFT JOIN wikidatawiki_p.pagelinks wdpl ON wdpl.pl_from = wdp.page_id AND wdpl.pl_title = 'P549' AND wdpl.pl_namespace = 120
/* http://edu.nodak.ndsu.math.genealogy./id.ph% */
WHERE enp.page_namespace = 0 AND enel.el_index LIKE 'http://org.ams.genealogy.www./id.ph%' AND enel.el_from = enp.page_id
AND pp_page = enp.page_id AND pp_propname = 'wikibase_item' AND wdp.page_title = pp_value AND wdp.page_namespace = 0
AND wdpl.pl_from IS NULL
SQL

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