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_91 (grid INTEGER, driver VARCHAR, points VARCHAR)
  ### Question:
  What's the highest grid of Ronnie Bremer, who had more than 18 points?
  ### Answer:
  SELECT MAX(grid) FROM table_name_91 WHERE driver = "ronnie bremer" AND points > 18