CREATE TABLE table_name_47 (macedonian_population_in_vojvodina VARCHAR(255))
What is the total 1961 number of the plandište Macedonian population with a 1981 value greater than 1027?
    
SQL: SELECT COUNT(1961) FROM table_name_47 WHERE macedonian_population_in_vojvodina = "plandište" AND 1981 > 1027