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_28 (year INTEGER, competition VARCHAR, club VARCHAR)
  ### Question:
  What is the average Year when the Competition was friendly, and a Club of everton?
  ### Answer:
  SELECT AVG(year) FROM table_name_28 WHERE competition = "friendly" AND club = "everton"