select count(*) as cnt FROM uv_art_category_index i, uv_art_section_region_index ri, uv_article a WHERE i.ci_tid='2' AND i.ci_article=a.ar_id AND ri.ri_tid='4' AND ri.ri_article=a.ar_id AND a.ar_status=3 AND a.ar_del=0 ORDER BY ar_timestamp DESC

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