user: Question: Which engine has more than 0 points and a year before 1984?
Columns: ['Year', 'Chassis', 'Engine(s)', 'Tyres', 'Points']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [1980.0, 'Osella FA1 FA1B', 'Cosworth DFV 3.0 V8', 'G', 0.0]
SQL:

assistant: SELECT "Engine(s)" FROM "Table" WHERE "Points" > 0.0 AND "Year" < 1984.0;