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_47 (events INTEGER, tournament VARCHAR, top_25 VARCHAR)
  ### Question:
  What is the total of events when the tournament was U.S. Open and the Top-25 was less than 1?
  ### Answer:
  SELECT SUM(events) FROM table_name_47 WHERE tournament = "u.s. open" AND top_25 < 1