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

### Instruction:
How many dances did John Barnes have?

### Inputs:
table_name: table, columns: ['Celebrity', 'Known for', 'Age', 'Professional', 'Series', 'Place', 'Dances', 'Highest score', 'Lowest score', 'Aggregate', 'Average']

### Response:
SELECT MIN Dances FROM table WHERE Celebrity = John Barnes