Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
In 1992, what class has higher wins than 0?

### Inputs:
table_name: table, columns: ['Year', 'Class', 'Team', 'Machine', 'Points', 'Wins']

### Response:
SELECT Class FROM table WHERE Wins > 0 AND Year = 1992