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_1137704_2 (date VARCHAR, grand_prix VARCHAR)
  ### Question:
  what of the total number of date where grand prix is portuguese grand prix
  ### Answer:
  SELECT COUNT(date) FROM table_1137704_2 WHERE grand_prix = "Portuguese grand_prix"