SELECT category_id FROM categories WHERE slug = 'n1v-svyazi-s-nenadlezhaschey-rabotoy-po-ochistke-krovel-mnogokvartirnyh-domov-ot-snega-i-naledi-k-ooo-zhilkomservis-g-beleva-prinyaty-mery-prokurorskogo-reagirovaniya' LIMIT 0, 1