SELECT category_id FROM categories WHERE slug = '235061-n1rudnyane-i-gosti-rayona-prinyali-uchastie-v-prazdnichnyh-meropriyatiyah-posvyaschennyh-76-y-godovschine-osvobozhdeniya-rudnyanskogo-rayona-ot-nemecko-fashistskih-zahvatchikov-i-90-letiyu-so-dnya-obrazovaniya-rayona' LIMIT 0, 1