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_7 (presentation_of_credentials VARCHAR, title VARCHAR, representative VARCHAR)
### Question:
What is the presentation of credentials date of raúl h. castro, who has a title of ambassador extraordinary and plenipotentiary?
### Answer:
SELECT presentation_of_credentials FROM table_name_7 WHERE title = "ambassador extraordinary and plenipotentiary" AND representative = "raúl h. castro"