user: Question: What engine was used in 1999?
Columns: ['Year', 'Team', 'Chassis', 'Engine', 'Rank']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['1996', 'Pagan Racing', 'Reynard 94i', 'Ford XB', '5th']
SQL:

assistant: SELECT "Engine" FROM "Table" WHERE "Year" = '1999';