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

### Instruction:
Name the total number of founded for public and 780 enrollment

### Inputs:
table_name: table, columns: ['Institution', 'Nickname', 'Location', 'Founded', 'Type', 'Enrollment', 'Current Conference']

### Response:
SELECT COUNT Founded FROM table WHERE Type = Public AND Enrollment = 780