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

### Instruction:
How many villages had 21.7% of slovenes in 1991?

### Inputs:
table_name: table, columns: ['Village (German)', 'Village (Slovenian)', 'Number of people 1991', 'Percent of Slovenes 1991', 'Percent of Slovenes 1951']

### Response:
SELECT COUNT Village (German) FROM table WHERE Percent of Slovenes 1991 = 21.7%