user: Question: What is the latest year that shadow racing team scored more than 0 points?
Columns: ['Year', 'Entrant', 'Chassis', 'Engine', 'Pts.']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [1967.0, 'Lotus Components Ltd.', 'Lotus 48 (F2)', 'Cosworth Straight-4', 0.0]
SQL:

assistant: SELECT MAX("Year") FROM "Table" WHERE "Entrant" = 'shadow racing team' AND "Pts." > 0.0;