SELECT presentation_of_credentials FROM table_name_7 WHERE title = "ambassador extraordinary and plenipotentiary" AND representative = "raúl h. castro"
Apa presentasi tanggal kredensial raúl h.Castro, yang memiliki gelar Duta Besar Luar Biasa dan BeraniPotensionis?
CREATE TABLE table_name_7 (presentation_of_credentials VARCHAR, title VARCHAR, representative VARCHAR)