When (river garry) is the hr name how many builts are there?
CREATE TABLE table_22643 (
    "HR no." text,
    "HR name" text,
    "CR no." real,
    "LMS no." real,
    "Built" text,
    "Works" text,
    "Withdrawn" text
)
SELECT COUNT("Built") FROM table_22643 WHERE "HR name" = '(River Garry)'
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: When (river garry) is the hr name how many builts are there? ### Input: CREATE TABLE table_22643 (
    "HR no." text,
    "HR name" text,
    "CR no." real,
    "LMS no." real,
    "Built" text,
    "Works" text,
    "Withdrawn" text
) ### Response: SELECT COUNT("Built") FROM table_22643 WHERE "HR name" = '(River Garry)'