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

### Instruction:
Who was the co-driver in 1970 for the race of Targa Florio?

### Inputs:
table_name: table, columns: ['Year', 'Race', 'Team', 'Pos.', 'Co-driver']

### Response:
SELECT Co-driver FROM table WHERE Year = 1970 AND Race = targa florio