Untitled query #84045

SQL

SELECT
    main.page_title AS title_en

FROM page AS talk

# focus to all possible quality for an article in main namespace
# this should also implicitly include article's priority
INNER JOIN categorylinks AS cl_qual ON
    cl_qual.cl_from = talk.page_id
    AND cl_qual.cl_to IN (
        'FA-Class_biography_articles',
        'FL-Class_biography_articles',
        'FM-Class_biography_articles',
        'GA-Class_biography_articles',
        'B-Class_biography_articles',
        'C-Class_biography_articles',
        'Start-Class_biography_articles',
        'Stub-Class_biography_articles',
        'List-Class_biography_articles',
        'Disambig-Class_biography_articles',
        'Redirect-Class_biography_articles',
        'Unassessed_biography_articles')

# join to get the main article's ID
INNER JOIN page AS main ON
    main.page_namespace = 0
    AND main.page_title = talk.page_title
SQL

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