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_12148147_2 (third_year VARCHAR, first_year VARCHAR)
  ### Question:
  How many classes are taken in the third year when pag-unawa was taken in the first year?
  ### Answer:
  SELECT COUNT(third_year) FROM table_12148147_2 WHERE first_year = "Pag-unawa"