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); CREATE TABLE Documents (document_date VARCHAR, document_id VARCHAR)
  ### Question:
  What are the dates for the documents with both 'GV' type and 'SF' type expenses?
  ### Answer:
  SELECT T1.document_date FROM Documents AS T1 JOIN Documents_with_Expenses AS T2 ON T1.document_id = T2.document_id WHERE T2.budget_type_code = 'GV' INTERSECT SELECT T1.document_date FROM Documents AS T1 JOIN Documents_with_Expenses AS T2 ON T1.document_id = T2.document_id WHERE T2.budget_type_code = 'SF'