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_34 (average VARCHAR, balls_faced VARCHAR, innings VARCHAR)
### Question:
What is the number of averages having a balls faced over 297 and more than 7 innings?
### Answer:
SELECT COUNT(average) FROM table_name_34 WHERE balls_faced > 297 AND innings > 7