Mathematics Genealogy Project id not in Wikidata

SQL

SELECT DISTINCT CONVERT(enp.page_title USING UTF8) AS page_title
FROM cawiki_p.`page` enp, cawiki_p.templatelinks entl, cawiki_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
WHERE enp.page_namespace = 0 AND entl.tl_title IN ('MathGenealogy', 'Mathgenealogy', 'MathGenealogyProject','MathGen','Link_MathGenealogy') AND entl.tl_from = enp.page_id AND entl.tl_namespace = 10 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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