user: Question: What is listed for the Class that's got a Team of Cagiva and Points of 4?
Columns: ['Year', 'Class', 'Team', 'Points', 'Wins']
Types: ['real', 'text', 'text', 'real', 'real']
Sample row: [1984.0, '250cc', 'Yamaha', 0.0, 0.0]
SQL:

assistant: SELECT "Class" FROM "Table" WHERE "Team" = 'Cagiva' AND "Points" = 4.0;