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

### Instruction:
What's the Student Body with an Affiliation of Roman Catholic and has an Enrollment of 502?

### Inputs:
table_name: table, columns: ['School', 'Grades', 'Affiliation', 'Student Body', 'Enrollment']

### Response:
SELECT Student Body FROM table WHERE Affiliation = roman catholic AND Enrollment = 502