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_17607663_1 (builder VARCHAR, br_no VARCHAR)
  ### Question:
  Who is the builder for br no. 31779?
  ### Answer:
  SELECT builder FROM table_17607663_1 WHERE br_no = 31779