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 festival_detail (YEAR VARCHAR, LOCATION VARCHAR)
  ### Question:
  In which year are there festivals both inside the 'United States' and outside the 'United States'?
  ### Answer:
  SELECT YEAR FROM festival_detail WHERE LOCATION = 'United States' INTERSECT SELECT YEAR FROM festival_detail WHERE LOCATION <> 'United States'