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_21721351_18 (nationality VARCHAR, player VARCHAR)
  ### Question:
  Which nationality is player Brian Wilks?
  ### Answer:
  SELECT nationality FROM table_21721351_18 WHERE player = "Brian Wilks"