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

### Instruction:
Name the country for troops per one million being 54.9

### Inputs:
table_name: table, columns: ['Country', 'Number of Troops', '% of Total Troops', 'Troops per one million population', 'Troops per $1 billion ( USD ) GDP']

### Response:
SELECT Country FROM table WHERE Troops per one million population = 54.9