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 university (affiliation VARCHAR, enrollment INTEGER)
  ### Question:
  Find the number of universities that have over a 20000 enrollment size for each affiliation type.
  ### Answer:
  SELECT COUNT(*), affiliation FROM university WHERE enrollment > 20000 GROUP BY affiliation