user: Question: What is the 1981 value of the Macedonian population with a 1971 number greater than 192 and a 1991 of 1748?
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 "1981" FROM "Table" WHERE "Number 1971" > 192.0 AND "1991" = 1748.0;