CREATE TABLE table_name_15 (appointed_by VARCHAR(255), title VARCHAR(255), termination_of_mission VARCHAR(255))
Who was appointed with the title of envoy extraordinary and minister plenipotentiary, and a termination of mission of march 16, 1905?
    
SQL: SELECT appointed_by FROM table_name_15 WHERE title = "envoy extraordinary and minister plenipotentiary" AND termination_of_mission = "march 16, 1905"