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_name_66 (number_of_hus__approximate_ VARCHAR, digits VARCHAR, level VARCHAR)
### Question:
What's the approximate number of HUs when there are more than 2 digits, and 6 levels?
### Answer:
SELECT COUNT(number_of_hus__approximate_) FROM table_name_66 WHERE digits > 2 AND level = 6