diff --git a/subqueries_lab.sql b/subqueries_lab.sql
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+++ b/subqueries_lab.sql
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+USE sakila;
+
+-- 1.Determine the number of copies of the film "Hunchback Impossible" 
+-- that exist in the inventory system.
+
+SELECT COUNT(*) AS total_films
+FROM inventory
+WHERE film_id = (SELECT film_id FROM film WHERE title = 'Hunchback Impossible');
+
+-- 2.List all films whose length is longer 
+-- than the average length of all the films in the Sakila database.
+
+SELECT title, length
+FROM film
+WHERE length > (SELECT AVG(length) FROM film)
+ORDER BY length DESC;
+
+-- 3.Use a subquery to display all actors who appear in the film "Alone Trip".
+
+SELECT first_name AS name, last_name AS surname
+FROM actor
+WHERE actor_id IN 
+	(SELECT actor_id 
+	FROM film_actor 
+    WHERE film_id = 
+		(SELECT film_id 
+        FROM film 
+        WHERE title = 'Alone Trip'));
+
+