use eswiki_p;

SELECT REPLACE(page_title, "_", " ") AS article, CONCAT("[", editors, " editores]") AS editors FROM ( SELECT rev_page, COUNT(*) AS editors FROM ( SELECT DISTINCT rev_page, rev_user FROM revision WHERE rev_timestamp BETWEEN "20180101" AND "20190101" ) AS pairs_page_user GROUP BY rev_page ORDER BY editors DESC LIMIT 500 ) AS top_page_edits INNER JOIN page ON rev_page = page_id WHERE page_namespace = 0 ORDER BY editors DESC;