CREATE TABLE table_11614581_3 (area VARCHAR(255), _in_thousands_of_km_2 VARCHAR(255), name_in_russian VARCHAR(255))
плоцкая губерния governs an area with what area (in thousand km 2)?
    
SQL: SELECT area, _in_thousands_of_km_2 FROM table_11614581_3 WHERE name_in_russian = "Плоцкая губерния"