user: Question: How many points were there before 1955?
Columns: ['Year', 'Entrant', 'Chassis', 'Engine', 'Points']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [1955.0, 'Sumar / Chapman Root', 'Kurtis Kraft 500D', 'Offenhauser L4', 0.0]
SQL:

assistant: SELECT SUM("Points") FROM "Table" WHERE "Year" < 1955.0;