user: Question: Driver Shaun Jones with a Viper as a chassis is in what class?
Columns: ['Team', 'Class', 'Chassis', 'Engine', 'Driver']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Safe Fire Electrical', 'Rotax Heavy', 'Viper', 'Rotax Max', 'Ron Goldfinch']
SQL:

assistant: SELECT "Class" FROM "Table" WHERE "Chassis" = 'Viper' AND "Driver" = 'Shaun Jones';