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_56 (year INTEGER, power VARCHAR)
  ### Question:
  When is the earliest year with a Power of 90kw (121hp) @ 4000?
  ### Answer:
  SELECT MIN(year) FROM table_name_56 WHERE power = "90kw (121hp) @ 4000"