SQL
x
use commonswiki_p;
SELECT COUNT(page_title)
FROM image, page, categorylinks
WHERE page.page_id=categorylinks.cl_from
AND image.img_name = page.page_title
AND .categorylinks.cl_to = "Quality_images_supported_by_Wikimedia_France"
AND img_timestamp BETWEEN 20150101000000 AND 20150401000000;
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