Stub-class critically endangered species articles

SQL

SELECT
    `page_title`,
    (CASE c1.`cl_to`
        WHEN "Unknown-importance_Philippine-related_articles" THEN 1
        WHEN "Low-importance_Philippine-related_articles" THEN 2
        WHEN "Mid-importance_Philippine-related_articles" THEN 3
        WHEN "High-importance_Philippine-related_articles" THEN 4
        WHEN "Top-importance_Philippine-related_articles" THEN 5
    END) AS `importance`
FROM `categorylinks` c1
JOIN `page` p1 ON `cl_from` = `page_id`
WHERE
    (`cl_to` = "Top-importance_Philippine-related_articles" OR
    `cl_to` = "High-importance_Philippine-related_articles" OR
    `cl_to` = "Mid-importance_Philippine-related_articles" OR
    `cl_to` = "Low-importance_Philippine-related_articles" OR
    `cl_to` = "Unknown-importance_Philippine-related_articles") AND
    (SELECT TRUE FROM `page` p2
    JOIN `categorylinks` c2 ON p2.`page_id` = c2.`cl_from`
    WHERE
        p2.`page_namespace` = 0 AND
        p2.`page_title` = p1.`page_title` AND
        c2.`cl_to` = "All_articles_lacking_sources"
    HAVING COUNT(`page_id`))
SQL

Checking query status...
