user: ### NOW ANSWER:
Question: What is the enrollment number for the public institution in golden, colorado founded after 1874?
Columns: ['Location', 'Control', 'Type', 'Enrollment', 'Founded']
Types: ['text', 'text', 'text', 'real', 'real']
Sample row: ['Wright-Patterson AFB, Ohio', 'Public', 'DRU', 719.0, 1919.0]
SQL:

assistant: SELECT AVG("Enrollment") FROM "Table" WHERE "Control" = 'public' AND "Location" = 'golden, colorado' AND "Founded" > 1874.0;