SELECT category_id FROM categories WHERE slug = '173200-n1kto-nibud-hochet-ili-kak-stat-merom-goroda-k-chemu-na-samom-dele-privedet-musornaya-reforma-gryazevoy-apokalipsis-na-industrial-noy-glavnye-novosti-smolenska-za-10-yanvarya' LIMIT 0, 1