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_68 (diff INTEGER, drawn VARCHAR, played VARCHAR)
  ### Question:
  What is the highest diff with drawn of 6 and play larger than 18?
  ### Answer:
  SELECT MAX(diff) FROM table_name_68 WHERE drawn = 6 AND played > 18