Name the total number of overall for defensive tackle
CREATE TABLE table_name_6 (overall VARCHAR, position VARCHAR)
SELECT COUNT(overall) FROM table_name_6 WHERE position = "defensive tackle"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_6 (overall VARCHAR, position VARCHAR) Question: Name the total number of overall for defensive tackle [/INST] SELECT COUNT(overall) FROM table_name_6 WHERE position = "defensive tackle" </s>