Task: Text to Code
Input (English): Step 1: For each row in Catalog_Structure table, find corresponding rows in Catalogs table and in Catalog_Contents table.
Step 2: find catalog_name of the results of step 1 whose price_in_pounds equals 8
Output (English): SELECT T1.catalog_name FROM Catalogs AS T1 JOIN Catalog_Structure AS T2 ON T1.catalog_id = T2.catalog_id JOIN Catalog_Contents AS T3 ON T2.catalog_level_number = T3.catalog_level_number WHERE T3.price_in_pounds = 8