user: Question: Name the average points for dallara 3087 lola t88/50 and year before 1988
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 AVG("Points") FROM "Table" WHERE "Chassis" = 'dallara 3087 lola t88/50' AND "Year" < 1988.0;