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_27116696_1 (production_code VARCHAR, written_by VARCHAR)
  ### Question:
  What is the total number of production code listings of episodes written by Matthew Lau?
  ### Answer:
  SELECT COUNT(production_code) FROM table_27116696_1 WHERE written_by = "Matthew Lau"