when was the building withdrawn when the builder was ac cars and was introduced before 1958?
CREATE TABLE table_name_78 (withdrawn INTEGER, builder VARCHAR, introduced VARCHAR)
SELECT SUM(withdrawn) FROM table_name_78 WHERE builder = "ac cars" AND introduced < 1958
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_78 (withdrawn INTEGER, builder VARCHAR, introduced VARCHAR) Question: when was the building withdrawn when the builder was ac cars and was introduced before 1958? [/INST] SELECT SUM(withdrawn) FROM table_name_78 WHERE builder = "ac cars" AND introduced < 1958 </s>