user: Question: What were the highest points before the year 1974?
Columns: ['Year', 'Entrant', 'Chassis', 'Engine', 'Points']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [1974.0, 'Allied Polymer Group', 'Brabham BT42', 'Cosworth V8', 0.0]
SQL:

assistant: SELECT MAX("Points") FROM "Table" WHERE "Year" < 1974.0;