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

### Instruction:
What couple had vote percentage of 21.843%?

### Inputs:
table_name: table, columns: ['Rank', 'Couple', 'Judges', 'Public', 'Total', 'Vote percentage', 'Result']

### Response:
SELECT Couple FROM table WHERE Vote percentage = 21.843%