user: Question: What is the constructor for Jackie Stewart's car?
Columns: ['Year', 'Driver', 'Constructor', 'Location', 'Report']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['1978', 'Niki Lauda', 'Brabham - Alfa Romeo', 'Anderstorp', 'Report']
SQL:

assistant: SELECT "Constructor" FROM "Table" WHERE "Driver" = 'Jackie Stewart';