Which category does the film Working Microcosmos belong to?
"WORKING MICROCOSMOS" is the title of film; category refers to name
SELECT T3.name FROM film AS T1 INNER JOIN film_category AS T2 ON T1.film_id = T2.film_id INNER JOIN category AS T3 ON T2.category_id = T3.category_id WHERE T1.title = 'WORKING MICROCOSMOS'