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 ship (id VARCHAR, lost_in_battle VARCHAR, tonnage VARCHAR); CREATE TABLE battle (id VARCHAR, lost_in_battle VARCHAR, tonnage VARCHAR)
  ### Question:
  How many battles did not lose any ship with tonnage '225'?
  ### Answer:
  SELECT COUNT(*) FROM battle WHERE NOT id IN (SELECT lost_in_battle FROM ship WHERE tonnage = '225')