text: Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
  ### Context:
  CREATE TABLE table_name_6 (overall VARCHAR, position VARCHAR)
  ### Question:
  Name the total number of overall for defensive tackle
  ### Answer:
  SELECT COUNT(overall) FROM table_name_6 WHERE position = "defensive tackle"