user: Question: What is the lowest amount of points held by the Epperly Indy Roadster in 1959?
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 MIN("Points") FROM "Table" WHERE "Chassis" = 'Epperly Indy Roadster' AND "Year" = 1959.0;