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

### Instruction:
How many years has an engine of audi 3.6l turbo v8 and 1st as the rank with an audi r8r as the chassis?

### Inputs:
table_name: table, columns: ['Year', 'Entrant', 'Class', 'Chassis', 'Engine', 'Rank', 'Points']

### Response:
SELECT COUNT Year FROM table WHERE Engine = audi 3.6l turbo v8 AND Rank = 1st AND Chassis = audi r8r