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 Documents_with_expenses (document_id VARCHAR, budget_type_code VARCHAR)
  ### Question:
  What are the document ids for the budget type code 'SF'?
  ### Answer:
  SELECT document_id FROM Documents_with_expenses WHERE budget_type_code = 'SF'