Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_22043925_1 (founded VARCHAR, enrolment VARCHAR)
### Question:
How many values for founded when enrollment is 850?
### Answer:
SELECT COUNT(founded) FROM table_22043925_1 WHERE enrolment = 850