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 CLASS (crs_code VARCHAR); CREATE TABLE course (dept_code VARCHAR, crs_credit INTEGER, crs_code VARCHAR)
  ### Question:
  Find the total credits of all classes offered by each department.
  ### Answer:
  SELECT SUM(T1.crs_credit), T1.dept_code FROM course AS T1 JOIN CLASS AS T2 ON T1.crs_code = T2.crs_code GROUP BY T1.dept_code