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_name_31 (date VARCHAR, opponent VARCHAR, venue VARCHAR)
  ### Question:
  Which Date has an Opponent of manchester united, and a Venue A?
  ### Answer:
  SELECT date FROM table_name_31 WHERE opponent = "manchester united" AND venue = "a"