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

### Instruction:
How many different kinds of reports are there for races that Juan Manuel Fangio won?

### Inputs:
table_name: table, columns: ['Race Name', 'Circuit', 'Date', 'Winning driver', 'Constructor', 'Report']

### Response:
SELECT COUNT Report FROM table WHERE Winning driver = Juan Manuel Fangio