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_16654785_2 (average_climb___percentage_ VARCHAR, length__m_ VARCHAR)
### Question:
How many have a length of 375?
### Answer:
SELECT COUNT(average_climb___percentage_) FROM table_16654785_2 WHERE length__m_ = 375