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_28180840_15 (semifinal__week_ VARCHAR, age_s_ VARCHAR)
  ### Question:
  How many performers are 29 that made it to the semi finals?
  ### Answer:
  SELECT semifinal__week_ FROM table_28180840_15 WHERE age_s_ = "29"