user: Question: What is the Class after 1986?
Columns: ['Year', 'Class', 'Team', 'Machine', 'Points', 'Wins']
Types: ['real', 'text', 'text', 'text', 'real', 'real']
Sample row: [1984.0, '500cc', 'Marlboro Yamaha', 'YZR500', 10.0, 0.0]
SQL:

assistant: SELECT "Class" FROM "Table" WHERE "Year" > 1986.0;