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_21 (points VARCHAR, engine VARCHAR, year VARCHAR)
  ### Question:
  What is total amount of points of entrants with a ford cosworth engine and a year later than 1991?
  ### Answer:
  SELECT COUNT(points) FROM table_name_21 WHERE engine = "ford cosworth" AND year > 1991