How many schools have an enrollment of 850?
CREATE TABLE table_11318462_29 (founded VARCHAR, enrolment VARCHAR)
SELECT COUNT(founded) FROM table_11318462_29 WHERE enrolment = 850
### Context: CREATE TABLE table_11318462_29 (founded VARCHAR, enrolment VARCHAR) ### Question: How many schools have an enrollment of 850? ### Answer: SELECT COUNT(founded) FROM table_11318462_29 WHERE enrolment = 850