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

### Instruction:
Which rounds did Vic Elford with a Ford cosworth dfv 3.0 v8 engine have?

### Inputs:
table_name: table, columns: ['Constructor', 'Chassis', 'Engine', 'Tyre', 'Driver', 'Rounds']

### Response:
SELECT Rounds FROM table WHERE Driver = vic elford AND Engine = ford cosworth dfv 3.0 v8