What is the quantity preserved when 4 were made of class F-21?
CREATE TABLE table_name_76 (quantity_preserved VARCHAR, quantity_made VARCHAR, class VARCHAR)
SELECT quantity_preserved FROM table_name_76 WHERE quantity_made = "4" AND class = "f-21"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_76 (quantity_preserved VARCHAR, quantity_made VARCHAR, class VARCHAR) Question: What is the quantity preserved when 4 were made of class F-21? [/INST] SELECT quantity_preserved FROM table_name_76 WHERE quantity_made = "4" AND class = "f-21" </s>