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_38 (year VARCHAR, league VARCHAR)
  ### Question:
  How many years was there a team that was part of the usisl pro league?
  ### Answer:
  SELECT COUNT(year) FROM table_name_38 WHERE league = "usisl pro league"