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_1404984_1 (call_sign VARCHAR, virtual_channel VARCHAR)
  ### Question:
  What is channel 33.7's official call sign?
  ### Answer:
  SELECT call_sign FROM table_1404984_1 WHERE virtual_channel = "33.7"