What are all the school years where class AAAA is in Gregory-Portland?
CREATE TABLE table_19445 (
    "School Year" text,
    "Class A" text,
    "Class AA" text,
    "Class AAA" text,
    "Class AAAA" text,
    "Class AAAAA" text
)
SELECT "School Year" FROM table_19445 WHERE "Class AAAA" = 'Gregory-Portland'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: What are all the school years where class AAAA is in Gregory-Portland? ### Input: CREATE TABLE table_19445 (
    "School Year" text,
    "Class A" text,
    "Class AA" text,
    "Class AAA" text,
    "Class AAAA" text,
    "Class AAAAA" text
) ### Response: SELECT "School Year" FROM table_19445 WHERE "Class AAAA" = 'Gregory-Portland'