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

### Instruction:
How many districts have t/vap values of 67.0%?

### Inputs:
table_name: table, columns: ['District', 'Region', 'Communes', 'Population (2002 census)', '% of total population', 'VAP', 'Enrolled', 'Total votes', 'Valid votes', 'Turnout', 'E/VAP', 'T/VAP', 'V/VAP']

### Response:
SELECT COUNT District FROM table WHERE T/VAP = 67.0%