user: Question: Name the year for points less than 20 and chassis of Dallara 3087
Columns: ['Year', 'Chassis', 'Engine', 'Tyres', 'Points']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [1987.0, 'Dallara 3087', 'Cosworth V8', 'A', 0.0]
SQL:

assistant: SELECT "Year" FROM "Table" WHERE "Points" < 20.0 AND "Chassis" = 'Dallara 3087';