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_14603057_2 (class_a VARCHAR, class_aAAA VARCHAR, Gregory VARCHAR, Portland VARCHAR)
### Question:
How many times was there a class A winner when Gregory-Portland was the class AAAA?
### Answer:
SELECT COUNT(class_a) FROM table_14603057_2 WHERE class_aAAA = Gregory - Portland