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_79 (year INTEGER, index VARCHAR)
  ### Question:
  What year is the happy planet index?
  ### Answer:
  SELECT SUM(year) FROM table_name_79 WHERE index = "happy planet index"