user: Question: How many points does the year after 1986 with a AGS JH23B chassis have?
Columns: ['Year', 'Entrant', 'Chassis', 'Engine', 'Points']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [1984.0, 'Equipe Renault Elf', 'Renault RE50', 'Renault V6', 0.0]
SQL:

assistant: SELECT "Points" FROM "Table" WHERE "Year" > 1986.0 AND "Chassis" = 'AGS JH23B';