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

### Instruction:
What is the number of dances for the team that averages 20.6?

### Inputs:
table_name: table, columns: ['Rank by average', 'Place', 'Couple', 'Total points', 'Number of dances', 'Average']

### Response:
SELECT Number of dances FROM table WHERE Average = 20.6