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_81 (size VARCHAR, ihsaa_class VARCHAR, previous_conference VARCHAR)
  ### Question:
  What is the size of the team that was previously from Central Indiana conference, and is in IHSSA Class 4a?
  ### Answer:
  SELECT size FROM table_name_81 WHERE ihsaa_class = "4a" AND previous_conference = "central indiana"