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_74 (year INTEGER, engine VARCHAR)
  ### Question:
  What year was the cosworth ca2006 2.4 v8 4 series used?
  ### Answer:
  SELECT AVG(year) FROM table_name_74 WHERE engine = "cosworth ca2006 2.4 v8 4 series"