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_40 (conference_joined VARCHAR, year_joined VARCHAR, mascot VARCHAR)
  ### Question:
  Which conference joined in 1954 with a beavers mascot?
  ### Answer:
  SELECT conference_joined FROM table_name_40 WHERE year_joined = 1954 AND mascot = "beavers"