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_16384648_2 (joined_tschl VARCHAR, institution VARCHAR)
  ### Question:
  What year did the university of Pittsburgh school join the hockey league? 
  ### Answer:
  SELECT joined_tschl FROM table_16384648_2 WHERE institution = "University of Pittsburgh"