user: Question: What is the total 1961 number of the plandište Macedonian population with a 1981 value greater than 1027?
Columns: ['Macedonian population in Vojvodina', '1961', 'Number 1971', '1981', '1991', '2002']
Types: ['text', 'real', 'real', 'real', 'real', 'real']
Sample row: ['Dužine', 223.0, 143.0, 90.0, 84.0, 68.0]
SQL:

assistant: SELECT SUM("1961") FROM "Table" WHERE "Macedonian population in Vojvodina" = 'plandište' AND "1981" > 1027.0;