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_25831483_1 (actor_actress VARCHAR, character VARCHAR, last_appearance VARCHAR, total VARCHAR)
  ### Question:
  Who was the actor/actress with a last appearance of 1 january 2010 and total is 20 and character is vanessa 'nessa' jenkins?
  ### Answer:
  SELECT actor_actress FROM table_25831483_1 WHERE last_appearance = "1 January 2010" AND total = 20 AND character = "Vanessa 'Nessa' Jenkins"