user: Question: What is the Engine used before 1983?
Columns: ['Year', 'Team', 'Chassis', 'Engine', 'Rank', 'Points']
Types: ['real', 'text', 'text', 'text', 'text', 'real']
Sample row: [1982.0, 'Wysard Racing', 'March 82C', 'Ford Cosworth DFX', 'NC', 0.0]
SQL:

assistant: SELECT "Engine" FROM "Table" WHERE "Year" < 1983.0;