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 visit (Total_spent INTEGER, visitor_id VARCHAR); CREATE TABLE visitor (id VARCHAR, Level_of_membership VARCHAR)
  ### Question:
  What is the total ticket expense of the visitors whose membership level is 1?
  ### Answer:
  SELECT SUM(t2.Total_spent) FROM visitor AS t1 JOIN visit AS t2 ON t1.id = t2.visitor_id WHERE t1.Level_of_membership = 1