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

### Instruction:
What's the county of Eastern Pekin school with fewer than 774 enrolled?

### Inputs:
table_name: table, columns: ['School', 'Location', 'Mascot', 'Enrollment', 'IHSAA Class', '# / County']

### Response:
SELECT # / County FROM table WHERE Enrollment < 774 AND School = eastern pekin